[Ormond's disease and chronic venous obstruction].

Excretory urography has been one of the most helpful tools in diagnosis of retroperitoneal fibrosis (RPF). Ventro-medial deviation of the ureters at the level of lower lumbar spine with urinary obstruction and pointed clinical stenosis of the upper part of the ureters have been considered diagnostic of RPF. It can be easily forgotten that RPF can become clinically apparent as vascular disease. Various types of RPF appearances will be discussed in the light of two examples.