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Difference between revisions of "Cholesterol polyp of the gallbladder"
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Cholesterol polyp of the gallbladder (view source)
Revision as of 13:02, 31 May 2016
, 13:02, 31 May 2016→Microscopic
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Gallbladder cholesterol polyp -- intermed mag.jpg | |||
| Width = | |||
| Caption = Cholesterol polyp of the gallbladder. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = foamy macrophages in lamina propria of polypoid lesion | |||
| Subtypes = | |||
| LMDDx = [[cholesterolosis of gallbladder]], [[xanthogranulomatous cholecystitis]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = polypoid lesion of gallbladder mucosa | |||
| Grossing = | |||
| Staging = | |||
| Site = [[gallbladder]] | |||
| Assdx = [[chronic cholecystitis]] | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = common | |||
| Bloodwork = | |||
| Rads = polypoid lesion - projects into lumen of gallbladder | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = [[gallbladder adenoma]], other polyps | |||
| 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]]. | ||
''Cholesterol polyp'' redirects here. | |||
==General== | ==General== | ||
*Benign and common. | |||
*Seen in approximately 6% of removed gallbladders.<ref name=pmid23236547>{{Cite journal | last1 = Terada | first1 = T. | title = Histopathologic features and frequency of gall bladder lesions in consecutive 540 cholecystectomies. | journal = Int J Clin Exp Pathol | volume = 6 | issue = 1 | pages = 91-6 | month = | year = 2013 | doi = | PMID = 23236547 }}</ref> | *Seen in approximately 6% of removed gallbladders.<ref name=pmid23236547>{{Cite journal | last1 = Terada | first1 = T. | title = Histopathologic features and frequency of gall bladder lesions in consecutive 540 cholecystectomies. | journal = Int J Clin Exp Pathol | volume = 6 | issue = 1 | pages = 91-6 | month = | year = 2013 | doi = | PMID = 23236547 }}</ref> | ||
*May be detected on ultrasound.<ref name=pmid23233003/> | |||
==Gross== | ==Gross== | ||
| Line 8: | Line 43: | ||
DDx: | DDx: | ||
*[[Gallbladder adenoma]]. | *[[Gallbladder adenoma]].<ref name=pmid23233003>{{Cite journal | last1 = Park | first1 = CH. | last2 = Chung | first2 = MJ. | last3 = Oh | first3 = TG. | last4 = Park | first4 = JY. | last5 = Bang | first5 = S. | last6 = Park | first6 = SW. | last7 = Kim | first7 = H. | last8 = Hwang | first8 = HK. | last9 = Lee | first9 = WJ. | title = Differential diagnosis between gallbladder adenomas and cholesterol polyps on contrast-enhanced harmonic endoscopic ultrasonography. | journal = Surg Endosc | volume = 27 | issue = 4 | pages = 1414-21 | month = Apr | year = 2013 | doi = 10.1007/s00464-012-2620-x | PMID = 23233003 }}</ref> | ||
==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
*Foamy macrophages in the lamina propria. | *Foamy macrophages in the lamina propria. | ||
*Polypoid shape - epithelium on three sides. | |||
DDx: | DDx: | ||
*[[Xanthogranulomatous cholecystitis]]. | *[[Xanthogranulomatous cholecystitis]]. | ||
*[[Cholesterolosis of gallbladder]] - not polypoid. | |||
===Images=== | |||
<gallery> | |||
Image: Gallbladder cholesterol polyp -- very low mag.jpg | CP - very low mag. (WC) | |||
Image: Gallbladder cholesterol polyp -- low mag.jpg | CP - low mag. (WC) | |||
Image: Gallbladder cholesterol polyp -- intermed mag.jpg | CP - intermed. mag. (WC) | |||
Image: Gallbladder cholesterol polyp -- high mag.jpg | CP - high mag. (WC) | |||
</gallery> | |||
==See also== | ==See also== | ||