胆囊癌CT误诊分析

目的　分析胆囊癌CT误诊原因 ,以提高诊断正确率。方法　搜集经手术病理证实的胆囊癌病例 43例 ,均行CT扫描 ,其中误诊 2 3例。与手术结果对照 ,分析误诊原因。结果　 2 3例误诊中 ,诊断为急慢性胆囊炎 5例 ,胆囊息肉 1例 ,肝门区胆管癌 2例 ,胆管癌 1例 ,胆总管下端、壶腹部占位 3例 ,胰头癌 5例 ,胆总管炎症 1例 ,梗阻性黄疸 2例 ,胆囊肿大 2例 ,结肠癌 1例。结论　明确胆囊癌的CT征象及其转移途径 ,可以避免误诊 ,提高诊断正确率。

The Analysis on CT Misdiagnosis of Gallbladder Carcinoma

Objective To analyses the CT misdiagnostic causes of gallbladder carcinoma, in order to improve the diagnostic rate.Methods Fourty-three patients with the gallbladder carcinoma proved histologically were examined by computed tomography (CT), twenty-three of them were misdiagnosed.The misdiagnostic causes were analysed and compared CT images with operation.Results In the cases of misdiagnosis they were diagnosed as acute or chronic cholecystitis in 5; polyp in 1; bile duct carcinoma in porta hepatis in 2; cholangiocarcinoma in 1; neoplasm of distal part of common bile duct or ampulla in 3; carcinoma of head of pancreas in 5;cholangitis in 1; jaundice of obstruction in 2;tumefaction of gallbladder in 2;carcinoma of colon in 1. Conclusion To be aware of CT characters of gallbladder carcinoma and the way of metastasis is useful to avoid misdiagnosis of the gallbladder carcinoma and to improve the diagnostic rate.