Gallbladder inflammatory polyps
Gallbladder inflammatory polyps are a benign subtype of gallbladder polyps, representing ~10% of all polyps. They appear as a result of chronic inflammation (chronic cholecystitis).
For further details, please refer to the parental article on gallbladder polyps.
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Pathology
Thought to develop from chronic inflammation, with deposition of cholesterol in the gallbladder wall and mucosal irritation, leading to a fibrous reaction 2,3.
There is no evidence that they are a premalignant lesion 3.
Radiographic features
Ultrasound
- usually multiple and <10 mm
- variable echogenicity
- cannot be reliably differentiated from other subtypes of gallbladder polyp
- features of chronic cholecystitis might be evident
See also
Related Radiopaedia articles
Ultrasound - gallbladder
- ultrasound (introduction)
- gallbladder ultrasound
- diffuse gallbladder wall thickening (differential)
- focal gallbladder wall thickening (differential)
- gallstones
- gallbladder sludge
- acute cholecystitis
- chronic cholecystitis
- gallbladder polyp
- gallbladder cholecystoses
- porcelain gallbladder
- gallbladder carcinoma
- gallbladder metastases
- gallbladder lymphoma
- gallbladder volvulus / torsion
- variants
Gallbladder and biliary tract pathology
- congenital malformations and anatomical variants
- gallstones
- gallbladder inflammation
- bile ducts inflammation
- gallbladder wall abnormalities
- other gallbladder abnormalities
- bile ducts neoplasms
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