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gallbladder polyp

Epidemiology: - gallbladder polyps are found in 5% of abdominal ultrasound exams viewing the gallbladder Clinical manifestations: - patients often asymptomatic Special laboratory: - 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]

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polyp

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 15, 16, 17, 18, 19. American College of Physicians, Philadelphia 2009, 2012, 2015, 2018, 2021.
  2. Gallahan WC, Conway JD. Diagnosis and management of gallbladder polyps. Gastroenterol Clin North Am. 2010 Jun;39(2):359-67 PMID: 20478491
  3. 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: 28185005 PMCID: PMC5544788 Free PMC article
  4. Andren-Sandberg A. Diagnosis and management of gallbladder polyps. N Am J Med Sci. 2012 May;4(5):203-11 PMID: 22655278 PMCID: PMC3359430 Free PMC article.