Xanthogranulomatous cholecystitis: a radiological study of 12 cases and a review of the literature

摘要: Background: Twelve cases of xanthogranulomatous cholecystitis (XGC) are presented, and their radiologic appearance is described. Methods: Four men eight women, aged 31–82 years old, with XGC were reviewed. Abdominal ultrasound (US) was performed in all patients. Computed tomograpy (CT) five patients, barium enema examination two, percutaneously CT-guided fine-needle aspirative biopsy the gallbladder one. Results: Barium showed an indentation hepatic flexure. Cholelithiasis present sludge six. The wall thickened irregular nine, could not be properly differentiated from surrounding liver parenchyma or other adjacent structures most A curvilinear halo, hypoechoic on US low attenuation Ct, within found three patients pericholecystic fluid two others. On CT, fat had streaky soft tissue densities cases. Percutaneously nondiagnostic. diagnosis carcinoma considered preoperatively Conclusion: Despite characteristic histologic XCG, findings nonspecific, varying signs observed forms to a neoplasm.