CT features and clinicopathological analysis of xanthogranulomatous cholecystitis

VernacularTitle:黄色肉芽肿性胆囊炎的CT表现与临床病理分析
Author: Wei ZHANG ; Wei QIU ; Guohua FAN
Publication Type:Journal Article
Keywords: cholecystitis; computed tomography; pathology
From: Journal of Practical Radiology 2014;(10):1680-1682,1698
CountryChina
Language:Chinese
Abstract: Objective To investigate CT features of XGC in order to improve pre-operative diagnosis of the disease.Methods The CT features of 6 cases with XGC confirmed by histopathology were analyzed retrospectively.Results The gallbladder walls thick-ened in all 6 cases,diffusely thickened in 4 cases and focally thickened in 2 cases.Hypodensity nodules or bands in thickened walls were seen in all 6 cases.The continuous mucosal lines were observed in 4 cases.After contrast administration,the hypodensity band sign was seen in most cases in artery phase.Stones were found in all 6 gallbladders and in 4 common bile ducts,dilatation of biliary tract was seen in 3 cases.There were hepatic involvement in 5 cases,duodenal,hepatic flexure of the colon and antrum of the stom-ach adhesion with gallbladder was seen in 1 case respectively.Conclusion Hypodensity nodules or bands in thickened gallbladder walls and continuous mucosal line are characteristics of XGC,which are helpful in diagnosis and differential diagnosis.