Medical liver disease

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Micrograph showing ground glass hepatocytes, as seen in chronic hepatitis B. H&E stain.

This article deals with medical liver disease. An introduction to the liver and approach is found in the liver article.

Every differential in liver pathology has "drugs"[1] -- if it isn't clearly malignancy.

Liver neoplasms are dealt with in the liver neoplasms article.

Medical liver biopsies are often non-specific, as the liver has the same appearance for many mechanisms of injury, especially when the injury is marked. The clinical history, serology and imaging are essential for proper interpretations in this domain of pathology.

Review of liver blood work

Inflammation activity

  • ALT.
  • AST.

Cholestatic markers

  • ALP.
  • GGT - used to assess whether the ALP is an "honest" value, elevated in cirrhosis.

Cirrhosis/decompensation

  • PLT - low is suggestive of dysfunction.
  • INR - high is bad, unless anticoagulated.

Other

  • Bilirubin.
    • Direct (AKA conjugated).
    • Indirect (AKA unconjugated).

A short DDx of elevated:[2]

  • Indirect:
    • Gilbert syndrome.
    • Crigler-Najjar syndrome type 1.
    • Crigler-Najjar syndrome type 2.
  • Direct:
    • Rotor syndrome.
    • Dubin-Johnson syndomre.

Viral hepatitis

  • HBV DNA.
  • HCV RNA.
  • HBs Ag, HBs Ab, HBe Ag, HBe Ab.
  • HCV Ab.

Others:

Hepatitis B

Meaning & utility of the various Hepatitis B tests:[3][4]

Test name Location Positive test Negative test Usual question
HBs Ag Surface Virus active No active infection Active infection?
HBs Ab Surface Exposed OR vaccinated No exposure OR no vaccine OR loss of Ab Immunization status?
HBe Ag Virus core Infect. w/ viral replication No active infection Active infect. w/ viral replication?
HBe Ab Virus core Exposed to virus Infect. w/o antibody response OR not exposed Immune response to infection?
HBV DNA - Active Not active/no exposure Viral load/how active?
HBc Ab Virus core Virus active/previous exposure No exposure Early active infection?

Notes:

  • HBc Ab may test for acute (IgM) or chronic infection - dependent on specific antibody test; it is often used to look for early infection.[4]
  • Carriers of hepatitis B: HBs Ag +ve, HBs Ab -ve, HBc Ag -ve, HBc Ab +ve, HBe Ag -ve, HBe Ab +ve.[5]

Markers for rare liver diseases

  • Ceruloplasm - low think Wilson's disease; typical value for Wilson's ~ 0.12 g/L.
    • <0.20 g/L is a criteria for Wilson's disease.[6]
  • Alpha-1 antitrypsin - if low think deficiency.

Hemosiderosis

  • Ferritin - high.
  • Iron saturation - high.

Causes:

  • Hemochromatosis.
  • Hemolysis, chronic.
  • Cirrhosis.

Medical imaging

Blood flow:[7]

  • Hepatopedal flow = normal portal vein flow.
  • Hepatofugal flow = reversed portal vein flow.

Interventional measurements

Wedged to free hepatic venous pressure:[8]

Liver biopsy

Medical liver biopsy adequacy

Liver biopsy specimens should be:[9]

  • 2.0 cm in length and contain 11-15 portal tracts,
  • The core should be deeper than 1.0 cm from the liver capsule; specimens close to the capsule may lead to over grading of fibrosis.

Reporting

Specimen, procedure:
- Diagnosis.

The diagnosis usually contains grading and staging information, e.g. activity 2 /4, Laennec fibrosis stage 1 /4.

In the context of medical liver disease:

  • Grade = inflammation/activity.
  • Stage = severity of fibrosis/architectural changes.

Notes:

  • The term "acute" is infrequently used in liver pathology.
  • In the liver: neutrophils is not acute -- unlike most elsewhere in the body.[10]

A microscopic checklist

Size of biopsy: Adequate
Fragmentation: Absent
Fibrosis: Stage 2-3/4, mostly stage 2
Fibrous septa: Present
Septa with curved contours: Present – focally only
Large droplet steatosis (% of hepatocytes): Present, moderate 60%
Ballooning of hepatocytes: Present, rare
Mallory-Denk bodies: Present, rare
Portal inflammation: Present
Interface activity: Minimal (0-1/4)
Lobular necroinflammation: Minimal
Ducts: Present in normal numbers
Duct injury: Absent
Ductular reaction: Absent
Cholestasis: Absent
Terminal hepatic venules: Present
Iron stain: Absent
Ground glass cells with routine stains: Absent
PASD for alpha-1 antitrypsin droplets: Negative 

Viral hepatitis

These are common. The diagnoses are based on serology. The serology is covered in the viral hepatitis section in the liver pathology article.

Typically classified as:[11][12]

  1. Acute < 6 months duration.
  2. Chronic > 6 months duration.

Hepatitis A

  • Infection is self-limited, i.e. not persistent.
  • Usually asymptomatic in children.[13]
  • Serology is diagnostic.

Hepatitis B

Hepatitis B virus, abbreviated HBV, redirects here.

Hepatitis C

Other infections

  • Hydatid disease (Hydatid cyst).
  • Ascaris.
  • Fasciola

Hydatid disease

  • AKA hydatid cyst.

General

Microscopic

Features:

Images

www:

Abscess

A. A process replaces most of the liver parenchyma (20X).
B. Fibrinopurulent exudate apposes granulation tissue (200X).
C. Neutrophils lie in widened sinusoids (200X)..
D. Trichrome shows collagenization of spaces of Disse. Scarring about an abscess or other mass lesion should not be interpreted as reflective of the liver in general (200X).
Abscess. A. A process replaces most of the liver parenchyma. B. Fibrinopurulent exudate apposes granulation tissue. C. Neutrophils lie in widened sinusoids. D. Trichrome shows collagenization of spaces of Disse. Scarring about an abscess or other mass lesion should not be interpreted as reflective of the liver in general (LR 200X).

Coccidiomycosis

A. 500x500px Granulomas at low power
B. 500x500px Granulomas with centrally crowded cells & lady slipper macrophage nuclei
C. 500x500px Center of previous granuloma showing pyknotic macrophage nuclei
D. 500x500px Four Coccidiomycotic spherules
Coccidiomycosis. A. Note the granulomas in otherwise undisturbed liver (UL). B. Granuloma with centrally crowded cells & lady slipper macrophage nuclei. C. Center of granuloma with pyknotic macrophage nuclei, "necrotizing". D. Organisms on GMS stain.

Metabolic and toxic

Alcoholic liver disease

General

Classic lab findings in EtOH abusers

  • AST & ALT elevated with AST:ALT=2:1.
  • GGT elevated.
  • MCV increased.

Gross pathology/radiologic findings

  • Classically micronodular pattern.
    • May be macronodular.

Microscopic

See:

Features:

  • Often zone III damage.
  • Cholestatsis common, i.e. yellow staining.
    • NASH (non-alcoholic steatohepatitis) usu. does not have cholestasis.[17]
  • Fibrosis starts at central veins.
  • Neutrophils (often helpful) -- few other things have PMNs. (???)
    • Neutrophils cluster around cells with Mallory hyaline.

Images

Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis).Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis).
Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis).Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis).
Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis).Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis).

Alcoholic hepatitis with Metavir stage IV fibrosis (advanced fibrosis/cirrhosis). Trichrome shows relatively non-inflamed fibrous bands, as well as [between green dots] nodules. The lack of regeneration throughout might have precluded a diagnosis of cirrhosis, but stage IV fibrosis under the Metavir system is justified (Row 1 Left 20X). Reticulin shows regenerative nodules [left] with mostly two or more nuclei between black lines juxtaposed to non-regenerative hepatocytes on the right, without piecemeal necrosis. (Row 1 Right 100X). Regenerative nodules show occasional neutrophils [red arrow] and cytoplasmic tufts of ballooned cells, sometimes possibly Mallory hyalin [green arrows] (Row 2 Left 200X). Triads (note vein [green arrow], artery [yellow arrow], and interlobular bile duct [blue arrow]) generally showed little or no interface hepatitis, even when expanded by fibrosis and inflamed (Row 2 Right 200X). Occasional foci of spotty necrosis were seen (Row 3 Left 200X). This edge of an inflamed triads shows neutrophils about proliferated bile ducts [red arrows], as well as Mallory-Denk bodies [blue arrows] (Row 4 Left 400X).

Cirrhosis in an alcoholic.Cirrhosis in an alcoholic.
Cirrhosis in an alcoholic.Cirrhosis in an alcoholic.
Cirrhosis in an alcoholic.Cirrhosis in an alcoholic.

Definite cirrhosis in an alcoholic. Hepatocyte free bands parse tissue, with occasional definite islands [arrows] (Row 1 Left 40X). Trichrome establishes blue fibrosis about isles [arrows] (Row 1 Right 40X). Reticulin stain shows nodules with regeneration, wherein a large proportion of them are at least two nuclei thick [arrows] (Row 2 Left 200X). Bile duct proliferation can be difficult, sometimes mimicking cholangiocarcinoma. Follow the double headed arrows to see how the ductules can be seen to proliferate from a single sources, with all ducts being complete, without necrotic epithelial cells. (Row 2 Right 400X). PAS with distase can help, as cholangiocarcinoma generally lacks the red rim of proliferating bile ductules [arrows]; again note the connections that can be made between the ductule openings by the blue double headed arrows. The cyan double headed arrows show general parallelism, consistent with uniform directionality induced by extrinsic force, not a neoplastic spread (Row 3 Left 400X). Trichrome shows the most difficult focus. Double headed arrows display the connectivity seen before of the proliferated bile ductules. Note that numerous pairs of adjacent perpendicular glands without a head to foot appearance are not seen that would indicate the disorderly spread of cholangiocarcinoma (Row 3 Right 400X).

Expanded, inflamed triads with increased bile duct/vascular openings. Mild steatosis (40X).Trichrome stain shows periportal fibrosis [red arrowheads] (200X).
PAS with diastase stain shows proliferated bile ductules [blue arrowheads] in stroma with mixed inflammatory infiltrate (400X)Neutrophils about ballooned hepatocyte (satellitosis) [yellow arrowheads]. Councilman bodies [green arrowheads] (400X).

Alcoholic hepatitis without cirrhosis. No history of viral disease. AMA negative. Expanded, inflamed triads with increased bile duct/vascular openings. Mild steatosis (UL 40X). Trichrome stain shows periportal fibrosis [red arrowheads] (UR 200X). PAS with diastase stain shows proliferated bile ductules [blue arrowheads] in stroma with mixed inflammatory infiltrate (LL 400X) Neutrophils about ballooned hepatocyte (satellitosis) [yellow arrowheads]. Councilman bodies [green arrowheads] (LR 400X).

Notes:

  • If portal inflammatory infiltrates more than mild, r/o other causes i.e. viral hepatitis.
  • Mallory bodies once thought to be characteristic; now considered non-specific and generally poorly understood.[18]
  • Some consider alcoholic liver disease a clinical diagnosis, i.e. as a pathologist one does not diagnose it.[19]

Non-alcoholic fatty liver disease

  • Abbreviated NAFLD.
  • Fatty liver that is not due to alcohol; includes obesity-related fatty liver, metabolic disease/diabetes-related fatty liver.

NASH

  • Non-alcoholic steatohepatitis - see steatohepatitis section.
  • Histologically indistinguishable from ASH.
  • NASH is a clinical diagnosis based on exclusion of alcohol.

Steatohepatitis

Autoimmune

Autoimmune hepatitis

  • Abbreviated AIH.

Primary biliary cirrhosis

  • Abbreviated PBC.

Autoimmune hepatitis with obstruction - combined changes

Low power shows inflammation; portal triads, lobules, central veins cannot be distinguished (40X).Trichrome shows central venous sclerosis (red arrowhead), periportal fibrosis (green arrowhead), & space of Disse collagenization (yellow arrowhead); juxtaposition of central vein & portal tract indicates collapse, no definite bridging was seen (100X)
Central vein is inflamed with a rare plasma cell (cyan arrowhead) (400X).Interface hepatitis with plasma cells (yellow arrows) and ballooned hepatocytes (red arrows). Lobule is disorganized (400X).
Proliferating bile ductules (blue arrows) with occasional neutrophils (fucsia arrows), indicative of obstruction, but not acute cholangitis, which requires inflamed bile duct itself, best diagnosed with associated blood vessel (400X).Rare distorted rosettes with greenish brown strands of bile (left arrow) or bile plugs (right arrow) (400X).

Patient with SLE and obstructive jaundice that resolved with apparent passage of stone. Low power shows inflammation; portal triads, lobules, central veins cannot be distinguished (left row 1 40X). Trichrome shows central venous sclerosis (red arrowhead), periportal fibrosis (green arrowhead), & space of Disse collagenization (yellow arrowhead); juxtaposition of central vein & portal tract indicates collapse, no definite bridging was seen (right row 1 100X). Central vein is inflamed with a rare plasma cell (cyan arrowhead) (left row 2 400X). Interface hepatitis with plasma cells (yellow arrows) and ballooned hepatocytes (red arrows). Lobule is disorganized (right row 2 400X). Proliferating bile ductules (blue arrows) with occasional neutrophils (fucsia arrows), indicative of obstruction, but not acute cholangitis, which requires inflamed bile duct itself, best diagnosed with associated blood vessel (left row 3 400X). Rare distorted rosettes with greenish brown strands of bile (left arrow) or bile plugs (right arrow) (right row 3 400X).

Autoimmune hepatitis-primary biliary cirrhosis overlap syndrome

  • Abbreviation AIH-PBC OS.

General

Epidemiology:

  • Rare.

Serology:[20]

  • AMA +ve.
  • Anti-dsDNA +ve.

Microscopic

See: autoimmune hepatitis and primary biliary cirrhosis.
Expanded portal tracts with fuzzy edges (40X).Interface hepatitis with plasma cells (400X).
Loose granuloma (400X).Damaged bile duct (400X).

AIH/PBC overlap. AMA & ANA positive with Alkaline phosphatase > 2 upper limit of normal & one ALT > 5 times upper limit of normal. Expanded portal tracts with fuzzy edges (UL 40X). IInterface hepatitis with plasma cells (UR 400X). Loose granuloma (LL 400X). Damaged bile duct (LR 400X).

Primary sclerosing cholangitis

  • Abbreviated PSC.

Hereditary

Caroli disease

General

Clinical:[23]

Note:

  • Caroli syndrome = Caroli disease + congenital hepatic fibrosis.[26]

Gross

  • Dilated bile ducts.[21]

Microscopic

Features:[23]

  • Dilated bile ducts.
  • Periductal fibrosis. (???)
  • +/-Fibrosis.

Image:

Hereditary hemochromatosis

For secondary causes see secondary hemochromatosis.

Wilson disease

Alpha-1 antitrypsin deficiency

  • AKA alpha1-antiprotease inhibitor deficiency.

Other

Budd-Chiari syndrome

  • AKA hepatic vein obstruction.

General

  • Hepatic outflow obstruction.

Clinical triad:[28]

  • Ascites.
  • Abdominal pain.
  • Hepatomegaly.

Etiology:

Clinical DDx:

Microscopic

Features:[30]

  • Sinusoidal dilation in zone III (congestion).
  • +/-Hepatocyte drop-out.
  • +/-Centrilobular fibrosis.

DDx congestion:

Vanishing bile duct syndrome

General

  • Fatal.

DDx:[32]

Microscopic

Features:[32]

  • Loss of intrahepatitic bile ducts - key feature.
  • Cholestasis.

Note:

  • May occur without fibrosis and inflammation; thus, can be easy to miss.

IHC

  • CK7 -ve.
    • Marks bile ducts.

Extrahepatic biliary obstruction

Sinusoidal dilatation, circular spaces of hepatocytes, small portal triads(40X).Bile in hepatocytes about central vein & in plugs in canaliculi [yellow arrowhead] (400X).
Trichrome shows fibrosis about central vein (400X).PAS with diastase shows portal triads with mild edema and chronic inflammation, without tortuous bile duct (400X).

Early extrahepatic biliary obstruction, demonstrated radiographically, transient, with rise in bilirubin, alkaline phosphatase, and transaminases. Pure canalicular cholestasis near terminal hepatic venules also seen in acute hepatitis, drug reactions, benign recurrent cholestasis, pregnancy, sepsis, & lymphomas. Sinusoidal dilatation, circular spaces of hepatocytes, small portal triads(UL 40X). Bile in hepatocytes about central vein & in plugs in canaliculi [yellow arrowhead] (UR 400X). Trichrome shows fibrosis about central vein (LL 400X). PAS with diastase shows portal triads with mild edema and chronic inflammation, without tortuous bile duct (LR 400X).

Expanded inflamed portal triads, swollen hepatocytes (40X)Edematous stroma, proliferating ductules [yellow arrowheads], PAS-D macrophages [red arrowhead] (PAS with diastasse, 200X)
Disordered, often swollen hepatocytes,some with feathery degeneration (net like spaces in cytoplasm [blue arrowhead], rare Councilman body [green arrowhead] (400X)Bile in hepatocytes [cyan arrrowhead] & in canaliculi [purple arrowheads]. Empty acinar spaces bounded by hepatocytes [orange arrowhead] (400X, higher pixel),

Changes of extrahepatic biliary obstruction, months duration. Expanded inflamed portal triads, swollen hepatocytes (UL 40X). Edematous stroma, proliferating ductules [yellow arrowheads], PAS-D macrophages [red arrowhead] (UR PAS with diastasse, 200X). Disordered, often swollen hepatocytes,some with feathery degeneration (net like spaces in cytoplasm) [blue arrowhead], rare Councilman body [green arrowhead] (LL 400X). Bile in hepatocytes [cyan arrrowhead] & in canaliculi [purple arrowheads]. Empty acinar spaces bounded by hepatocytes [orange arrowhead] (LR 400X).

Expanded, light colored portal triads (arrows)(20X).Proliferating bile ductules (cyan arrows) with neutrophils (yellow arrows), not specific for acute cholangitis, of assistance with large bile duct obstruction (400X)..
Uninflamed interlobular duct (yellow arrow) with, accompanying blood vessel (red arrow) (400X)Bile infarct with pyknotic nuclei (arrows)(400X).
Bile (arrow) in interlobular bile duct with disordered nuclei (400X).Bile plugs in cannaliculi (red arrows), feathery degeneration producing foamy macrophage like hepatocytes (yellow arrows)(400X).

Large bile duct obstruction. Expanded, light colored portal triads (arrows)(Row 1 Left 20X). Proliferating bile ductules (cyan arrows) with neutrophils (yellow arrows), not specific for acute cholangitis, of assistance with large bile duct obstruction (Row 1 Right 400X). Uninflamed interlobular duct (yellow arrow) with, accompanying blood vessel (red arrow) (Row 2 Left 400X). Bile infarct with pyknotic nuclei (arrows)(Row 2 Right 400X). Bile (arrow) in interlobular bile duct with disordered nuclei (Row 3 Left 400X). Bile plugs in cannaliculi (red arrows), feathery degeneration producing foamy macrophage-like hepatocytes (yellow arrows)(Row 3 Right 400X).

Congestive hepatopathy

General

  • Liver failure due to (right) heart failure.
  • AKA cardiac cirrhosis - a term used by clinicians.
    • Generally, it does not satisfy pathologic criteria for cirrhosis.[35]

Gross

  • "Nutmeg" liver - yellow spotted appearance.

Microscopic

Features:[36]

  • Zone III atrophy.
  • Portal venule (central vein) distension.
  • Perisinusoidal fibrosis - progresses to centrilobular fibrosis and then diffuse fibrosis.
  • Dilation of sinusoids in all zone III areas - key feature.[37]

DDx:

Cardiac (congestive) hepatopathy, wherein outflow obstruction occurs secondary to backflow from a failing heart, and Budd Chiari syndrome, wherein obstruction of outflow occurs secondary to obstruction, usually thrombotic, have overlapping features, including sinusoidal dilation with emphasis upon the central vein, space of Disse erythrocytes, centrilobular inflammation, hemorrhage, bile ductules, and hemosiderin, and portal inflammation, fibrosis and bile ductular reaction. Centrilobular dropout/necrosis is more common in Budd Chiari syndrome, while peri-central venous and sinusoidal fibrosis are more common in cardiac hepatopathy. In end stage liver, fibrosis for cardiac hepatopathy comprises stellate centrizonal fibrous with haphazard spread, as opposed to the more frequent nodular cirrhosis in Budd-Chiari. Clinical findings are important to take into account, as cardiac failure is usually well known at the time of diagnosis as are the clinical predictors of Budd Chiari syndrome, prothrombotic states, myeloproliferative diseases, and oral contraceptive use. [38]

Images

Amorphous material replaces hepatic parenchyma [4X]Material barely stains blue on trichrome [10X]
Material stains red on unpolarized Congo Red [40X]Material stains apple green on polarized Congo Red [40X]

Amyloidosis. Amorphous material replaces hepatic parenchyma [UL 4X]. Material barely stains blue on trichrome [UR 10X] Material stains red on unpolarized Congo Red [LL 40X] Material stains apple green on polarized Congo Red [LR 40X]

Stains

Fulminant hepatic necrosis

General

Etiology:

Microscopic

Submassive hepatic necrosis.Submassive hepatic necrosis.
Submassive hepatic necrosis.Submassive hepatic necrosis.
Submassive hepatic necrosis.Submassive hepatic necrosis.

Submassive hepatic necrosis. Patient had transaminases in the thousands that rapidly dropped to normal. Pink preserved parenchyma strews empty necrotic spaces (Row 1 Left 20X). Focus of necrosis with no apparent hepatocytes macrophages abuts apparently normal liver (Row 1 Right 200X). Iron stain shows the macrophages bear hemosiderin (Row 2 Left 200X). Reticulin stain highlights the recently dead liver cells (Row 2 Right 200X). Reticulin stain shows a necrotic bridge forming; the multiple small black circles preclude diagnosis of a fibrous bridge (Row 3 Left 200X). Trichrome shows the necrotic bridge (“collapse”) lacks much collagen deposition, as would be expected for bridging fibrosis (Row 3 Right 200X).

Features:

  • Hepatocyte necrosis.
  • Bile duct proliferation.

DDx:

Secondary hemochromatosis

For the hereditary one see hereditary hemochromatosis.

General

  • Iron overload secondary to blood transfusions for hereditary or acquired anemia.[39]
  • Imaging considered the best test, as iron deposition is patchy.[39]

Selected hereditary causes:[39]

Selected acquired causes:[39]

Microscopic

See hereditary hemochromatosis.

Hepatic sarcoidosis

Overlapping Disorders

Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed. Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed. Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed. Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed. Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed. Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed.
Changes of steatohepatitis and interface hepatitis, with granuloma. Patient with diabetes was ANA, AMA, HCV, HBV negative, without drugs known to produce granulomas or interface hepatitis. This may be a case of AMA negative primary biliary cirrhosis, but studies to determine that with certainty were not performed. A. Low power shows hepatocytes afflicted by steatosis and an inflamed portal tract. B. In a region of fatty change lie cytoplasmic tufts of ballooning degeneration (green arrows) and a lipogranuloma (black arrow). C. At the portal-hepatocyte junction lies interface hepatitis (black arrows), as well as extension of inflammation into the lobule (green arrows). D. Red hepatocytes bounded by inflammation denote piecemeal necrosis [PAS without diastase]. E. Giant cells intermixed with lymphocytes prove a portal granuloma [PAS without diastase]. F. A blue fibrous bridge extends from a triad [Trichrome].

Acute obstructive changes and changes of recurrent acute injury Acute obstructive changes and changes of recurrent acute injury Acute obstructive changes and changes of recurrent acute injury Acute obstructive changes and changes of recurrent acute injury Acute obstructive changes and changes of recurrent acute injury Acute obstructive changes and changes of recurrent acute injury Acute obstructive changes and changes of recurrent acute injury
Acute obstructive changes and changes of recurrent injury in 46 yo man with Clostridium perfringens positive blood culture, an ERCP that showed duodenal compression by the pancreas with resultant bile duct dilatation. The patient had had and continued to have multiple bouts of acute pancreatitis. At the time of biopsy, decreased platelet count/hemoglobin/albumin, elevated lipase/amylase/PT/PTT, normal alkaline phosphatase, bilirubin, AST/ALT, AMA, hepatitis virus serology, ANA. A. Fragment biopsy shows inflamed triads and bridges. B. Trichrome shows bridges without nodules, evidence of prior injury; the patient subsequently developed multiple episodes of pancreatitis. C. Reticulin shows piecemeal necrosis, with black lines bounding individual hepatocytes at interface (arrows). D. Collapse is shown by closly approximated thick black lines; one cannot call portal-central collapse without seeing a central vein. Note on this and the other reticulin image that regeneration, two cell thick cords, is not prominent. E. PAS D of two portal triads, far nearer than normal, both expanded. Note increased number of ducts/ductules (red arrows), neutrophils, and PAS-D macrophages. F. PAS D shows collapse extending from a triad to a portion of a lobule with steatosis. No feathery degeneration or bile duct plugs were seen. Neither were foci of spotty necrosis or abscess seen. G. Other triads, again edematous, showed more of a chronic inflammatory response, with occasional plasma cells (black arrows). Also present are neutrophils (red arrows). The bile duct (grey arrow) near the artery (brown arrow) shows mildly disturbed nuclei. Note early proliferated bile ductules (cyan arrows).

Hepatitis B virus with steatohepatitis Hepatitis B virus with steatohepatitis Hepatitis B virus with steatohepatitis Hepatitis B virus with steatohepatitis Hepatitis B virus with steatohepatitis Hepatitis B virus with steatohepatitis
Hepatitis B virus with steatohepatitis in a 36 year old man with hepatitis B surface antigen and hepatitis Be antigen positivity, Hepatitis be QTPC of 1750 cop/mL, an occasionally mildly elevated (42) ALT, and normal glucose, alkaline phosphatase, bilirubin, and other transaminases. He had a history of alcohol abuse, which became controlled. A. Triads show scant inflammation without definite interface hepatitis. About one-fourth of the lobule, not pan-acinar, is afflicted by steatosis. B. Occasional tufts are seen (arrow), indicating focal ballooning sufficient for a diagnosis of steatohepatitis. C. Glycogenated nuclei (black arrows) and hepatocytes with feathery degeneration (red arrows) are seen. D. Very rare foci of spotty necrosis were seen. E. Apart from this triad and the one in the trichrome stain in F, which had moderate inflammation comprising lymphocytes and macrophages, all triads were small, most without any inflammation at all. Neither collapse nor piecemeal necrosis were seen on reticulin stain. F. Trichrome stain showed only portal fibrosis. The interhepatocyte fibrosis required for brunt fibrosis stage I was not seen. Hence, one would grade this as follows: A) Chronic hepatitis (history of hepatitis B), Metavir activity index 1, Piecemeal necrosis 0, Lobular necrosis 1, Metavir fibrosis stage 1, B) Steatohepaitits, Brunt necroinflammatory grade 1, Brunt fibrosis stage 0.

See also

References

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  2. Mitchell, Richard; Kumar, Vinay; Fausto, Nelson; Abbas, Abul K.; Aster, Jon (2011). Pocket Companion to Robbins & Cotran Pathologic Basis of Disease (8th ed.). Elsevier Saunders. pp. 441. ISBN 978-1416054542.
  3. URL: http://www.clevelandclinicmeded.com/medicalpubs/diseasemanagement/hepatology/hepatitis-B/. Accessed on: 16 May 2011.
  4. 4.0 4.1 URL: http://www.labtestsonline.org/understanding/analytes/hepatitis_b/test.html. Accessed on: 16 May 2011.
  5. URL: http://labtestsonline.org/understanding/analytes/hepatitis-b/tab/test. Accessed on: 3 May 2012.
  6. Diagnostic accuracy of serum ceruloplasmin in Wilson disease: determination of sensitivity and specificity by ROC curve analysis among ATP7B-genotyped subjects. Mak CM, Lam CW, Tam S. Clin Chem. 2008 Aug;54(8):1356-62. Epub 2008 Jun 12. PMID 18556333. URL: http://www.clinchem.org/cgi/reprint/54/8/1356.pdf. Accessed on: 28 September 2009.
  7. URL: http://insidesurgery.com/2010/12/hepatopedal-hepatofugal-flow/. Accessed on: 2 December 2011.
  8. Bion, E.; Brenard, R.; Pariente, EA.; Lebrec, D.; Degott, C.; Maitre, F.; Benhamou, JP. (Feb 1991). "Sinusoidal portal hypertension in hepatic amyloidosis.". Gut 32 (2): 227-30. PMC 1378815. PMID 1864548. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1378815/.
  9. Burt, Alastair D.;Portmann, Bernard C.;Ferrell, Linda D. (2006). MacSween's Pathology of the Liver (5th ed.). Churchill Livingstone. pp. 418. ISBN 978-0-443-10012-3.
  10. OA. September 2009.
  11. "Terminology of chronic hepatitis, hepatic allograft rejection, and nodular lesions of the liver: summary of recommendations developed by an international working party, supported by the World Congresses of Gastroenterology, Los Angeles, 1994.". Am J Gastroenterol 89 (8 Suppl): S177-81. Aug 1994. PMID 8048409.
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