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摘要目的评估疑似恶性胆道梗阻病人经皮钳夹活检假阴性诊断的预测因素。方法 271例连续性阻塞性黄疸病人行经皮钳夹活检。每例病人从病变组织中收集3~5个样本
Abstract Objective To evaluate the predictors of false negative biopsy in patients with suspected malignant biliary obstruction. Methods 271 cases of patients with continuous obstructive jaundice underwent percutaneous biopsy. Each patient collected 3 to 5 samples from diseased tissue