Difference between revisions of "Cholesterol polyp of the gallbladder"
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{{ Infobox diagnosis | {{ Infobox diagnosis | ||
| Name = {{PAGENAME}} | | Name = {{PAGENAME}} | ||
| Image = Gallbladder cholesterol polyp -- intermed | | Image = Gallbladder cholesterol polyp -- intermed mag.jpg | ||
| Width = | | Width = | ||
| Caption = Cholesterol polyp of the gallbladder. [[H&E stain]]. | | Caption = Cholesterol polyp of the gallbladder. [[H&E stain]]. | ||
| Line 7: | Line 7: | ||
| Micro = foamy macrophages in lamina propria of polypoid lesion | | Micro = foamy macrophages in lamina propria of polypoid lesion | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = | | LMDDx = [[cholesterolosis of gallbladder]], [[xanthogranulomatous cholecystitis]] | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = | ||
| Line 14: | Line 14: | ||
| IF = | | IF = | ||
| Gross = polypoid lesion of gallbladder mucosa | | Gross = polypoid lesion of gallbladder mucosa | ||
| Grossing = | | Grossing = [[gallbladder grossing]] | ||
| Staging = | | Staging = | ||
| Site = [[gallbladder]] | | Site = [[gallbladder]] | ||
| Line 24: | Line 24: | ||
| Prevalence = common | | Prevalence = common | ||
| Bloodwork = | | Bloodwork = | ||
| Rads = | | Rads = polypoid lesion - projects into lumen of gallbladder | ||
| Endoscopy = | | Endoscopy = | ||
| Prognosis = benign | | Prognosis = benign | ||
| Other = | | Other = | ||
| ClinDDx = [[gallbladder adenoma]], other polyps | | ClinDDx = [[gallbladder adenoma]], other polyps | ||
| Tx = | | Tx = surgical excision (cholecystectomy) | ||
}} | }} | ||
'''Cholesterol polyp of the gallbladder''' is a common benign finding of the [[gallbladder]]. | '''Cholesterol polyp of the gallbladder''' is a common benign finding of the [[gallbladder]]. | ||
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Features: | Features: | ||
*Foamy macrophages in the lamina propria. | *Foamy macrophages in the lamina propria. | ||
*Polypoid shape - epithelium on three sides. | |||
DDx: | DDx: | ||
Latest revision as of 14:43, 15 August 2024
| Cholesterol polyp of the gallbladder | |
|---|---|
| Diagnosis in short | |
 Cholesterol polyp of the gallbladder. H&E stain. | |
|
| |
| LM | foamy macrophages in lamina propria of polypoid lesion |
| LM DDx | cholesterolosis of gallbladder, xanthogranulomatous cholecystitis |
| Gross | polypoid lesion of gallbladder mucosa |
| Grossing notes | gallbladder grossing |
| Site | gallbladder |
|
| |
| Associated Dx | chronic cholecystitis |
| Prevalence | common |
| Radiology | polypoid lesion - projects into lumen of gallbladder |
| Prognosis | benign |
| Clin. DDx | gallbladder adenoma, other polyps |
| Treatment | surgical excision (cholecystectomy) |
Cholesterol polyp of the gallbladder is a common benign finding of the gallbladder.
Cholesterol polyp redirects here.
General
- Benign and common.
- Seen in approximately 6% of removed gallbladders.[1]
- May be detected on ultrasound.[2]
Gross
- Exophytic lesion of the gallbladder mucosa.
DDx:
Microscopic
Features:
- Foamy macrophages in the lamina propria.
- Polypoid shape - epithelium on three sides.
DDx:
- Xanthogranulomatous cholecystitis.
- Cholesterolosis of gallbladder - not polypoid.
Images
CP - very low mag. (WC)
CP - low mag. (WC)
CP - intermed. mag. (WC)
CP - high mag. (WC)
See also
References
- ↑ Terada, T. (2013). "Histopathologic features and frequency of gall bladder lesions in consecutive 540 cholecystectomies.". Int J Clin Exp Pathol 6 (1): 91-6. PMID 23236547.
- ↑ 2.0 2.1 Park, CH.; Chung, MJ.; Oh, TG.; Park, JY.; Bang, S.; Park, SW.; Kim, H.; Hwang, HK. et al. (Apr 2013). "Differential diagnosis between gallbladder adenomas and cholesterol polyps on contrast-enhanced harmonic endoscopic ultrasonography.". Surg Endosc 27 (4): 1414-21. doi:10.1007/s00464-012-2620-x. PMID 23233003.