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本文分析３０例胆管癌的ＰＴＣ与Ｔ管造影的ｘ线表现：胆管癌的影像特征是病变梗阻部位呈不同程度凹凸不平，边缘不规则及管壁僵硬，肝门胆管或肝、胆总管呈向心性或偏心性狭窄的充盈缺损或左右肝管交汇处漏斗型影像或者其影像为杵状，圆钝或平削状。胰头癌的影像特征是胆总管呈手套手指状扩张征象，且呈挤压性扭曲改变。壶腹癌为胆总管末端呈鸟嘴样改变和不规则充盈缺损。
This paper analyzes the x-ray findings of PTC and T-tube angiography in 30 cases of cholangiocarcinoma: The image features of cholangiocarcinoma are uneven and irregularities in the obstruction of the lesion, irregular edges and stiffness of the wall, and hilar bile duct or liver and common bile duct. The funnel-shaped image of the filling defect or left and right hepatic duct junction where the heart or eccentricity is narrow, or the image thereof is in the form of a blunt, rounded or flat cut. The imaging feature of pancreatic head cancer is the fingertip dilatation of the common bile duct and the change of crumple distortion. Ampullary carcinoma is a beak-like change and irregular filling defect at the end of the common bile duct.