[Angiography in biliary neoplasia (author's transl)].

The angiographic appearances of biliary neoplasms and their differential diagnosis is discussed in relation to 15 patients with annular carcinomas of the gall bladder or bile ducts. The outstanding angiographic features of biliary carcinomas are irregularities of the arterial contours and vascular occlusion, followed in importance by neo-vascularity of the malignant tumour.