<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

CT Diagnosis of Carcinoma of Vaters Ampulla

郭玉林①，刘闽生①，陈　勇①，张　川①，白呈祥②赵　颖②，孙万里②，王西昌③，袁志红①(①宁夏医学院附属医院放射科，宁夏　银川　750004　②内蒙乌海市人民医院　③宁夏武警医院放射科)

GUO Yu－Lin，LIU Min－Sheng，CHEN Yong，ZHANG Chuan，BAI Cheng－xiangZHAO Ying，SUN Wan－li，WANG Xi－chang，YUAN Zhi－hongDepartment of Radiology，the Affiliated Hospital，Ningxia  Medical College，Yinchuan 750004

ABSTRACT

　　Objective：To evaluate CT diagnostic capability of carcinoma of Vaters ampulla.

　　Methods：CT findings of 26 cases of Vaters ampullary carcinoma proved surgically and pathologically were analyzed ret respectively.

　　Results：The direct and indirect CT signs of the disease w ere：1) mass in the descending portion of duodenum；2) dilatation of both biliary and pancreatic duct；3) enlargement of gallbladder. Demonstration of these signs would depend on the scanning system and scanning protocols to be used. The accurate diagnostic rate in this group of patients was 84. 6％ (22/26 cases).

　　Conclusion：CT scan is a valuable method for diagnosing carcinoma of Vasters ampulla. However，early detect ion of involvement of the uncinate process of pancreas and duodenum，and metastatic adenopathy is not sensitive by CT study.

　　Key words：Vaters ampulla； carcinoma； tomography， X－ray computed

　　Vater氏壶腹癌是低位梗阻性黄疸的主要原因之一，CT是定位、定性诊断的重要手段。本文收集了1990－12～1997－12经手术病理证实且CT资料完整的Vater氏壶腹癌26例，报告如下：