[Retroperitoneal fibrosis with pelvic extension: a case report].

The retroperitoneal fibrosis is a rare pathology, whose physiopathologic mechanism is poorly known. It characterizes by the training of a benign fibrous prevertebral plate. This plate is in rule limited between the renal pedicle in high and the promontory anointed down. However, extensions to the great peritoneal cavity, the mediastinum and especially the pelvis have been brought. Authors bring a case of retroperitoneal fibrosis at a woman of 54 years, that spreads to the pelvic region complicated of an obstructive renal insufficiency. The ureteral catheterism has allowed the standardization of the renal function. The uroCT-scan has allowed to make a complete lesion statement. The patient has been operated on with realization of ureterolysis and ureteral intraperitonization. Through this observation, therapeutic and diagnostic aspects will be discussed.