Difference between revisions of "Cholesterol polyp of the gallbladder"

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| 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        =
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| 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:

Images

See also

References

  1. 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. 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.