gallbladder polyp
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Epidemiology
- gallbladder polyps are found in 5% of abdominal ultrasound exams viewing the gallbladder
Clinical manifestations
- patients often asymptomatic
Diagnostic procedures
- often incidentaloma on abdominal ultrasound
- serial abdominal ultrasound if polyp < 10 mm*[1]
* unless other indication for cholecystectomy (see management)
Complications
- risk factor for gallbladder cancer
- a gallbladder polyp > 10 mm has a 45-67% likelihood of malignancy[1]
- gallbladder polyps associated with gallstones or primary sclerosing cholangitis more likely to be malignant[1]
Management
- cholecystectomy if polyp > 10 mm[1][3][4]
- other indications for cholecystectomy
- symptoms, gallstones, primary sclerosing cholangitis[1][2]
More general terms
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Medical Knowledge Self Assessment Program (MKSAP) 15, 16, 17, 18, 19. American College of Physicians, Philadelphia 2009, 2012, 2015, 2018, 2021.
- ↑ 2.0 2.1 Gallahan WC, Conway JD. Diagnosis and management of gallbladder polyps. Gastroenterol Clin North Am. 2010 Jun;39(2):359-67 PMID: https://www.ncbi.nlm.nih.gov/pubmed/20478491
- ↑ 3.0 3.1 Wiles R, Thoeni RF, Barbu ST et al Management and follow-up of gallbladder polyps : Joint guidelines between the European Society of Gastrointestinal and Abdominal Radiology (ESGAR), European Association for Endoscopic Surgery and other Interventional Techniques (EAES), International Society of Digestive Surgery - European Federation (EFISDS) and European Society of Gastrointestinal Endoscopy (ESGE). Eur Radiol. 2017 Sep;27(9):3856-3866. PMID: https://www.ncbi.nlm.nih.gov/pubmed/28185005 PMCID: PMC5544788 Free PMC article
- ↑ 4.0 4.1 Andren-Sandberg A. Diagnosis and management of gallbladder polyps. N Am J Med Sci. 2012 May;4(5):203-11 PMID: https://www.ncbi.nlm.nih.gov/pubmed/22655278 PMCID: PMC3359430 Free PMC article.