Drug-induced liver disease - Revision history

Mitchell: /* Images */ added a case

2017-01-03T17:37:22Z

Images: added a case

← Older revision		Revision as of 17:37, 3 January 2017
Line 50:		Line 50:

	Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.		Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.

			[[File:5 32357864049788 sl 1.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 2.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 3.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 4.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 5.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 6.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]<br>
			Drug induced liver injury, necroinflammatory with changes of chronic hepatitis, in a 71 year old man with history of piperacillin, after which an allergic reaction occurred, with alkaline phosphatase 221 IU/L, ALT 45 IU/L, normal AST/bilirubin, negative AMA/ANA/viral antibodies. ALT returned to normal rapidly, Alkaline phosphatase gradually resolved. ERCP did not show sclerosing cholangitis. A. Inflamed triads with interface hepatitis and mild steatosis are present at low power, along with a normal central vein. B. A focus of spotty necrosis (black arrow) lies near hepatocytes with ballooning degeneration (brown arrows); a normal portal triad (green arrow) is also seen. C. Most triads showed moderate to marked chronic inflammation with eosinophils (white arrows). Note bile ductular proliferation (black arrows) and ballooning degeneration (red arrows). D. Reticuliln showed only rare foci of piecemeal necrosis (arrow), without significant collapse or regenerative change. E. PAS-D shows a focus of chronic inflammation of the lobule with destruction of hepatocytes; note PAS-D macrophages. F. A single inflamed portal-portal bridge was seen, with macrophages, lymphocytes, and rare eosinophils, but not plasma cells or neutrophils.



	[[File:4 40824578186586 sl 1.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]		[[File:4 40824578186586 sl 1.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]

Mitchell: /* Images */ Added pedi case

2016-12-27T18:45:56Z

Images: Added pedi case

← Older revision		Revision as of 18:45, 27 December 2016
Line 50:		Line 50:

	Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.		Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.

			[[File:4 40824578186586 sl 1.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]
			[[File:4 40824578186586 sl 2.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]
			[[File:4 40824578186586 sl 3.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]
			[[File:4 40824578186586 sl 4.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]
			[[File:4 40824578186586 sl 5.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]
			[[File:4 40824578186586 sl 6.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]

			Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy with 9.7 mg/dl bilirubin. Most likely due to total parenteral nutrition required for his sustenance. A. Slightly edematous triad with somewhat dilated sinusoids, without inflammatory or neoplastic aggregates at low power. B. Bile filled cholangiolar spaces (green arrows) and pseudoacini (blue arrows). C. Foci of extramedullary hematopoiesis. D. Triads did not show the edema and peripheral bile ductular proliferation normally seen with obstructive cholestasis. E. CK7 shows preservation of bile duct plates. F. Reticulin shows interruption and disorganization of liver plates, consistent with isolated cell necrosis (at this age, the inflammatory foci responding to spotty necrosis on H&E are not seen).

	===Specific patterns===		===Specific patterns===

Mitchell: /* Images */ Added a case. Changed to better format for others. Depending on one's cell phone or computer, the images may not appear as rows. Hence, the need to letter them.

2016-12-19T18:35:44Z

Images: Added a case. Changed to better format for others. Depending on one's cell phone or computer, the images may not appear as rows. Hence, the need to letter them.

← Older revision		Revision as of 18:35, 19 December 2016
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	Image:Drug-induced hepatitis high mag.jpg \| Drug-induced hepatitis - high mag. (WC)		Image:Drug-induced hepatitis high mag.jpg \| Drug-induced hepatitis - high mag. (WC)
	</gallery>		</gallery>
	{\|
	[[File:1 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		A [[File:1 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	[[File:2 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		B [[File:2 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	<br>		<br>
	[[File:3 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		C [[File:3 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	[[File:4 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		D [[File:4 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	<br>		<br>
	[[File:5 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		E [[File:5 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	[[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		F [[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	\|}
	Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]~~<br>~~Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma ~~(Row 1 Left 40X)~~. Iron stain shows 3+ iron deposition ~~(Row 1 Right 40X)~~. A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. ~~(Row 2 Left 100X)~~. Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] ~~(Row 2 Right 400X)~~. Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] ~~(Row 3 Left 400X)~~. Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] ~~(Row 3 Right 400X)~~.<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.		Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]A. Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma. B. Iron stain shows 3+ iron deposition. C. A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. D. Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows]. E. Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow]. F. Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow].<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.


	{\|
	[[File:1 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:1 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	[[File:2 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:2 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	~~<br>~~
	[[File:3 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:3 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	[[File:4 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:4 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	~~<br>~~
	[[File:5 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:5 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	[[File:6 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:6 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	\|}
	Drug induced liver injury in a young adult man. Acute onset hepatitis with albumin 3.2, ALT 1078, Alkaline phosphatase 141, direct bilirubin 6.3. A. Dark expanded triads (arrows) strew, at low power, normal hepatocyte lobules ~~[20x]~~. B. A triad shows interface hepatitis (black arrows), a proliferated bile ductule (cyan arrows), and eosinophils (red arrows)~~. [200X]~~. C. PAS without diastase highlights interface hepatitis with intact plate, lacking piecemeal necrosis, as well as the multiple plasma cells (arrows) and a proliferated bile ductule (green arrows) ~~[400X]~~. D. Intense lobular inflammation, including eosinophils (red arrows) is associated with foamy cytoplasm of feathery degeneration in hepatocytes (green arrows), degenerated, small hepatocytes (cyan arrows), and a councilman body (black arrow) ~~[400X]~~. F. Reticulin shows regeneration, with two cell thick cords (cyan arrows) and hepatocyte rosettes (green arrows), as well as a single cell with piecemeal necrosis (black arrow) ~~[200X]~~. F. Trichrome shows perihepatocyte fibrosis (black arrows) and short fibrous spikes off triads (green arrows) [~~200X~~].		Drug induced liver injury in a young adult man. Acute onset hepatitis with albumin 3.2, ALT 1078, Alkaline phosphatase 141, direct bilirubin 6.3. A. Dark expanded triads (arrows) strew, at low power, normal hepatocyte lobules. B. A triad shows interface hepatitis (black arrows), a proliferated bile ductule (cyan arrows), and eosinophils (red arrows). C. PAS without diastase highlights interface hepatitis with intact plate, lacking piecemeal necrosis, as well as the multiple plasma cells (arrows) and a proliferated bile ductule (green arrows). D. Intense lobular inflammation, including eosinophils (red arrows) is associated with foamy cytoplasm of feathery degeneration in hepatocytes (green arrows), degenerated, small hepatocytes (cyan arrows), and a councilman body (black arrow). F. Reticulin shows regeneration, with two cell thick cords (cyan arrows) and hepatocyte rosettes (green arrows), as well as a single cell with piecemeal necrosis (black arrow). F. Trichrome shows perihepatocyte fibrosis (black arrows) and short fibrous spikes off triads (green arrows).

			[[File: 4 90507225729061 sl 1.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 2.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 31.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 4.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 5.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]

			Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.

	===Specific patterns===		===Specific patterns===

Mitchell: /* Images */ added another case

2016-10-26T18:51:54Z

Images: added another case

← Older revision		Revision as of 18:51, 26 October 2016
Line 32:		Line 32:
	\|}		\|}
	Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]<br>Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma (Row 1 Left 40X). Iron stain shows 3+ iron deposition (Row 1 Right 40X). A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. (Row 2 Left 100X). Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] (Row 2 Right 400X). Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] (Row 3 Left 400X). Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] (Row 3 Right 400X).<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.		Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]<br>Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma (Row 1 Left 40X). Iron stain shows 3+ iron deposition (Row 1 Right 40X). A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. (Row 2 Left 100X). Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] (Row 2 Right 400X). Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] (Row 3 Left 400X). Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] (Row 3 Right 400X).<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.

			{\|
			[[File:1 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
			[[File:2 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
			<br>
			[[File:3 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
			[[File:4 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
			<br>
			[[File:5 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
			[[File:6 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
			\|}
			Drug induced liver injury in a young adult man. Acute onset hepatitis with albumin 3.2, ALT 1078, Alkaline phosphatase 141, direct bilirubin 6.3. A. Dark expanded triads (arrows) strew, at low power, normal hepatocyte lobules [20x]. B. A triad shows interface hepatitis (black arrows), a proliferated bile ductule (cyan arrows), and eosinophils (red arrows). [200X]. C. PAS without diastase highlights interface hepatitis with intact plate, lacking piecemeal necrosis, as well as the multiple plasma cells (arrows) and a proliferated bile ductule (green arrows) [400X]. D. Intense lobular inflammation, including eosinophils (red arrows) is associated with foamy cytoplasm of feathery degeneration in hepatocytes (green arrows), degenerated, small hepatocytes (cyan arrows), and a councilman body (black arrow) [400X]. F. Reticulin shows regeneration, with two cell thick cords (cyan arrows) and hepatocyte rosettes (green arrows), as well as a single cell with piecemeal necrosis (black arrow) [200X]. F. Trichrome shows perihepatocyte fibrosis (black arrows) and short fibrous spikes off triads (green arrows) [200X].

	===Specific patterns===		===Specific patterns===

Mitchell: /* Microscopic */

2016-09-11T18:37:30Z

Microscopic

← Older revision		Revision as of 18:37, 11 September 2016
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	[[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		[[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	\|}		\|}
	Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]		Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]<br>Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma (Row 1 Left 40X). Iron stain shows 3+ iron deposition (Row 1 Right 40X). A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. (Row 2 Left 100X). Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] (Row 2 Right 400X). Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] (Row 3 Left 400X). Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] (Row 3 Right 400X).<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.
	~~Seemingly present~~ at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma (Row 1 Left 40X). Iron stain shows 3+ iron deposition (Row 1 Right 40X). A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. (Row 2 Left 100X). Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] (Row 2 Right 400X). Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] (Row 3 Left 400X). Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] (Row 3 Right 400X).
	[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.

	===Specific patterns===		===Specific patterns===

Mitchell: /* Images */ added a difficult case with hemochromatosis; illustrates pigment

2016-09-11T18:31:08Z

Images: added a difficult case with hemochromatosis; illustrates pigment

← Older revision		Revision as of 18:31, 11 September 2016
Line 21:		Line 21:
	Image:Drug-induced hepatitis high mag.jpg \| Drug-induced hepatitis - high mag. (WC)		Image:Drug-induced hepatitis high mag.jpg \| Drug-induced hepatitis - high mag. (WC)
	</gallery>		</gallery>
			{\|
			[[File:1 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
			[[File:2 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
			<br>
			[[File:3 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
			[[File:4 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
			<br>
			[[File:5 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
			[[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
			\|}
			Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]
			Seemingly present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma (Row 1 Left 40X). Iron stain shows 3+ iron deposition (Row 1 Right 40X). A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. (Row 2 Left 100X). Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] (Row 2 Right 400X). Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] (Row 3 Left 400X). Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] (Row 3 Right 400X).
			[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.

	===Specific patterns===		===Specific patterns===

Michael: /* See also */

2015-03-24T00:33:23Z

Michael: /* See also */

2015-03-24T00:17:07Z

Michael at 15:08, 5 September 2014

2014-09-05T15:08:22Z

← Older revision		Revision as of 15:08, 5 September 2014
Line 1:		Line 1:
	'''Drug-induced liver disease''', also '''drug-induced liver toxicity''', is relatively common.		'''Drug-induced liver disease''', also '''drug-induced liver toxicity''' and '''drug liver injury''', is relatively common.

	Drug reactions in general are dealt with in ''[[drug toxicity]]''.		Drug reactions in general are dealt with in ''[[drug toxicity]]''.

Michael at 15:05, 5 September 2014

2014-09-05T15:05:34Z

← Older revision		Revision as of 15:05, 5 September 2014
Line 73:		Line 73:
	*[http://livertox.nih.gov Drug-liver toxicity (nih.gov)].		*[http://livertox.nih.gov Drug-liver toxicity (nih.gov)].

	[[Category:Medical liver ~~diseases~~]]		[[Category:Medical liver disease]]

← Older revision		Revision as of 17:37, 3 January 2017
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	Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.		Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.

			[[File:5 32357864049788 sl 1.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 2.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 3.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 4.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 5.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]
			[[File:5 32357864049788 sl 6.png\|Drug induced liver injury, necroinflammatory with changes of chronic hepatitis]]<br>
			Drug induced liver injury, necroinflammatory with changes of chronic hepatitis, in a 71 year old man with history of piperacillin, after which an allergic reaction occurred, with alkaline phosphatase 221 IU/L, ALT 45 IU/L, normal AST/bilirubin, negative AMA/ANA/viral antibodies. ALT returned to normal rapidly, Alkaline phosphatase gradually resolved. ERCP did not show sclerosing cholangitis. A. Inflamed triads with interface hepatitis and mild steatosis are present at low power, along with a normal central vein. B. A focus of spotty necrosis (black arrow) lies near hepatocytes with ballooning degeneration (brown arrows); a normal portal triad (green arrow) is also seen. C. Most triads showed moderate to marked chronic inflammation with eosinophils (white arrows). Note bile ductular proliferation (black arrows) and ballooning degeneration (red arrows). D. Reticuliln showed only rare foci of piecemeal necrosis (arrow), without significant collapse or regenerative change. E. PAS-D shows a focus of chronic inflammation of the lobule with destruction of hepatocytes; note PAS-D macrophages. F. A single inflamed portal-portal bridge was seen, with macrophages, lymphocytes, and rare eosinophils, but not plasma cells or neutrophils.



	[[File:4 40824578186586 sl 1.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]		[[File:4 40824578186586 sl 1.png\|Intrahepatic, nonobstructive cholestasis in a 9 week old, premature baby boy, due presumably to TPN]]

← Older revision		Revision as of 18:35, 19 December 2016
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	Image:Drug-induced hepatitis high mag.jpg \| Drug-induced hepatitis - high mag. (WC)		Image:Drug-induced hepatitis high mag.jpg \| Drug-induced hepatitis - high mag. (WC)
	</gallery>		</gallery>
	{\|
	[[File:1 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		A [[File:1 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	[[File:2 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		B [[File:2 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	<br>		<br>
	[[File:3 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		C [[File:3 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	[[File:4 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		D [[File:4 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	<br>		<br>
	[[File:5 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		E [[File:5 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	[[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]		F [[File:6 iron DILI 680x512px.tif\|Hemocrhomatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration.]]
	\|}
	Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]~~<br>~~Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma ~~(Row 1 Left 40X)~~. Iron stain shows 3+ iron deposition ~~(Row 1 Right 40X)~~. A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. ~~(Row 2 Left 100X)~~. Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows] ~~(Row 2 Right 400X)~~. Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow] ~~(Row 3 Left 400X)~~. Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow] ~~(Row 3 Right 400X)~~.<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.		Hemochromatosis with DILI canalicular cholestasis with mild hepatocyte injury in the form of regeneration. This young adult man presented with jaundice; canalicular cholestasis was explicable on the basis of one or more of the medications he had been given. Iron positivity came as a surprise. Canalicular cholestasis, accumulation of bile in canaliculi, and, at times, choangioles, is most commonly seen with steroids. When damage to hepatocytes & portal inflammation accompanies canalicular cholestasis, drugs such as chlorpromazine and erythromycin, are most often responsible. Pure ductular cholestasis has been associated with benoxaprofen or sepsis. Cholangiodestructive (e.g., with destroyed bile ducts) cholestasis has been associated with paraquat, chlorpromazye, and other drugs. Some drugs, eg, phenytoin are also noted to be associated with mixed hepatocellular/cholestatic injury. Others have bile duct proliferation with eosinophils as a response.[1]A. Present at low power are seemingly normal portal triads [black arrows], normal central veins [green arrows] and normal intervening parenchyma. B. Iron stain shows 3+ iron deposition. C. A reticulin stain shows changes of injury. Lines between portal triad [black arrow] and central vein [green arrow] lack directionality. Regeneration is seen in two-three hepatocyte cords [blue arrows] and hepatocyte rosettes [magenta arrows]; canaliculi are not highlighted by reticulin stain. D. Iron stain shows predominantly hepatocellular iron deposition [green arrows] with occasional Kupffer cell staining [black arrows]. E. Distinguishing iron from bile can be accomplished by evaluating location of pigment. In pure canalicular cholestasis with mild hepatocyte injury, unusual are macrophages with bile staining in the lobule, being as they are confined to the sinusoids; the pigment on left on H&E in a sinusoidal macrophage [green arrow], stains blue on iron stain on similar macrophage [black arrow]. F. Note the canalicular pigment on left on HE, [green arrows] ; a similar ball on the iron stain on the right lacks any stain [black arrow].<br>[1]H.J. Zimmerman, KG Ishak, “Hepatic injury due to drugs and toxins.” In Pathology of the Liver. RNM MacSween, et al, eds. New York: Churchill-Livingston. 2002: 638-641.


	{\|
	[[File:1 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:1 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	[[File:2 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:2 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	~~<br>~~
	[[File:3 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:3 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	[[File:4 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:4 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	~~<br>~~
	[[File:5 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:5 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	[[File:6 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]		[[File:6 DILI 2 680x512px.tif\| Drug induced liver injury in a young adult man]]
	\|}
	Drug induced liver injury in a young adult man. Acute onset hepatitis with albumin 3.2, ALT 1078, Alkaline phosphatase 141, direct bilirubin 6.3. A. Dark expanded triads (arrows) strew, at low power, normal hepatocyte lobules ~~[20x]~~. B. A triad shows interface hepatitis (black arrows), a proliferated bile ductule (cyan arrows), and eosinophils (red arrows)~~. [200X]~~. C. PAS without diastase highlights interface hepatitis with intact plate, lacking piecemeal necrosis, as well as the multiple plasma cells (arrows) and a proliferated bile ductule (green arrows) ~~[400X]~~. D. Intense lobular inflammation, including eosinophils (red arrows) is associated with foamy cytoplasm of feathery degeneration in hepatocytes (green arrows), degenerated, small hepatocytes (cyan arrows), and a councilman body (black arrow) ~~[400X]~~. F. Reticulin shows regeneration, with two cell thick cords (cyan arrows) and hepatocyte rosettes (green arrows), as well as a single cell with piecemeal necrosis (black arrow) ~~[200X]~~. F. Trichrome shows perihepatocyte fibrosis (black arrows) and short fibrous spikes off triads (green arrows) [~~200X~~].		Drug induced liver injury in a young adult man. Acute onset hepatitis with albumin 3.2, ALT 1078, Alkaline phosphatase 141, direct bilirubin 6.3. A. Dark expanded triads (arrows) strew, at low power, normal hepatocyte lobules. B. A triad shows interface hepatitis (black arrows), a proliferated bile ductule (cyan arrows), and eosinophils (red arrows). C. PAS without diastase highlights interface hepatitis with intact plate, lacking piecemeal necrosis, as well as the multiple plasma cells (arrows) and a proliferated bile ductule (green arrows). D. Intense lobular inflammation, including eosinophils (red arrows) is associated with foamy cytoplasm of feathery degeneration in hepatocytes (green arrows), degenerated, small hepatocytes (cyan arrows), and a councilman body (black arrow). F. Reticulin shows regeneration, with two cell thick cords (cyan arrows) and hepatocyte rosettes (green arrows), as well as a single cell with piecemeal necrosis (black arrow). F. Trichrome shows perihepatocyte fibrosis (black arrows) and short fibrous spikes off triads (green arrows).

			[[File: 4 90507225729061 sl 1.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 2.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 31.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 4.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]
			[[File: 4 90507225729061 sl 5.png\|Focal hepatocyte necrosis and isolated granuloma, drug induced liver injury (DILI)]]

			Focal hepatocyte necrosis. Drug induced liver injury (DILI) In 44 yo woman with normal bilirubin, elevated alkaline phopatase (323), slightly increased ALT (87). The patient had been taking antidepressants, which are known to have a low risk of liver injury, most commonly idiosyncratic,. A Low power shows normal triads (green arrows), in contrast to the spot of inflammation (cyan arrow).B. The spot at higher power is a granuloma not in a triad, the only such granuloma identified. C. Occasional triads show inflammation comprising mostly eosinophils. D. Occasional other foci of spotty necrosis were identified. E. Reticulin stain showed rare foci of regeneration (arrows), but no piecemeal necrosis.

	===Specific patterns===		===Specific patterns===

← Older revision		Revision as of 00:33, 24 March 2015
Line 67:		Line 67:
	*[[Medical liver disease]].		*[[Medical liver disease]].
	*[[Steatohepatitis]].		*[[Steatohepatitis]].
			*[[Cryptogenic cirrhosis]].

	==References==		==References==

← Older revision		Revision as of 00:17, 24 March 2015
Line 66:		Line 66:
	==See also==		==See also==
	*[[Medical liver disease]].		*[[Medical liver disease]].
			*[[Steatohepatitis]].

	==References==		==References==