The figures illustrate the computed tomographic findings in 2 patients with idiopathic retroperitoneal fibrosis (IRF) who developed obstruction of the renal veins and peri-renal collateral circles late in the course of their disease. The involvement ab extrinseco of the renal veins is an overlooked feature of IRF. It often progresses slowly and only rarely leads to clinically overt thrombosis; collateral circles thus develop and, as in our patients, may be a late manifestation of the disease. UROLCGY 74: 292-293, 2009. (C) 2009 Elsevier Inc.
Peri-renal collateral circles / Palmisano, Alessandra; Cobelli, Rocco; Buzio, Carlo; Vaglio, Augusto. - In: UROLOGY. - ISSN 0090-4295. - ELETTRONICO. - 74:(2009), pp. ---. [10.1016/j.urology.2009.02.052]
Peri-renal collateral circles
Vaglio, Augusto
2009
Abstract
The figures illustrate the computed tomographic findings in 2 patients with idiopathic retroperitoneal fibrosis (IRF) who developed obstruction of the renal veins and peri-renal collateral circles late in the course of their disease. The involvement ab extrinseco of the renal veins is an overlooked feature of IRF. It often progresses slowly and only rarely leads to clinically overt thrombosis; collateral circles thus develop and, as in our patients, may be a late manifestation of the disease. UROLCGY 74: 292-293, 2009. (C) 2009 Elsevier Inc.
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