我院 1997～ 1999年以来外科住院手术病人 ,疑为胰腺及壶腹周围占位病变者 78例 ,行针吸细胞学 (ＦＮＡＣ)检查 ,阳性 61例 ,可疑阳性 4例 ,假阳性 3例 ,假阴性 3例 ,术后病理组织学诊断 68例为恶性肿瘤 ;余 7例为阴性。本组诊断恶性肿瘤的准确率为 92 3 %。我们体会 ,对 5 0 In our hospital from 1997 to 1999, there were 78 cases of surgical inpatients with suspected pancreatic and periampullary lesions. We performed needle aspiration cytology (FNAC) examination, positive in 61 cases, suspicious in 4 cases, and false positive in 3 cases. There were 3 false-negative cases and 68 postoperative histopathological diagnoses were malignant; the remaining 7 cases were negative. The accuracy of the diagnosis of malignant tumors in this group was 92 3%. Our experience, on 5 0