Applicability of liquid radiopaque polyurethane for transcatheter embolization.

Polyurethane Bayer was tested as an occlusive agent for experimental embolization in postmortem and postnephrectomy kidneys which served as a tumor model. Coaxial and balloon catheters were used for the embolization. To make polyurethane radiopaque, the material was labeled with different water-soluble, oily and solid contrast agents.

[Unilateral hilar enlargement in sarcoidosis--case report and review of the literature (author's transl)].

Case report on unilateral hilar enlargement in sarcoidosis is given and the literature is reviewed. The diagnostic kriteria of angiography in these cases is discussed. Key words: Sarcoidosis, unilateral hilar enlargement, bronchialarteriography, lung szintigramm.

[The diagnosis of cystic malformations of the biliary tree during childhood (author's transl)].

Percutaneous, transhepatic cholangiography was carried out in a child aged 1 year and 10 months suffering from obstructive jaundice when non-invasive radiological methods had proved useless. PTC is of considerable value in the diagnosis of cystic disease of the biliary system. Its advantages in planning surgery are described.