The authors elucidate an experience with using multislice spiral computed tomography with the method of multiphase scanning (CT-angiography) in patients with suspected tumors of organs of the biliopancreatoduodenal zone. The proposed method allows getting information on the character of the pathological process, dissemination of the tumor lesion. It helps to decide on the strategy of treatment of the patient, to plan the operative intervention and assess the results of operative treatment.