Benign tumors and tumor-like lesions of the gallbladder

Benign tumors and tumor-like lesions of the gallbladder

The gallbladder and extrahepatic bile ducts play host to a surprisingly large number of benign tumors and tumor-like lesions which may be visible on imaging. In the gallbladder, most of them are detected incidentally, whereas in the bile ducts they are usually found in symptomatic patients (obstructive jaundice) . These lesions include :

• epithelial tumors
  • gallbladder adenoma
  • papillomatosis of the gallbladder
  • cystadenoma of the gallbladder
• mural tumors
  • gallbladder leiomyoma
  • gallbladder fibroma
  • gallbladder lipoma
  • gallbladder hemangioma
  • granular cell tumor of the gallbladder
• neurogenic tumors
  • gallbladder neurofibroma
• tumor-like masses
  • heterotrophic gastric or pancreatic tissue
  • cholesterol polyp of the gallbladder: most common
  • inflammatory polyp of the gallbladder
  • xanthogranulomatous cholecystitis
  • adenomyomatosis
  • primary sclerosing cholangitis