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Case Reports in Medicine
Volume 2015, Article ID 428074, 4 pages
http://dx.doi.org/10.1155/2015/428074
Case Report

Bilateral Spontaneous Perirenal Hemorrhage due to Initial Presentation of Polyarteritis Nodosa

Department of Internal Medicine, Division of Nephrology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea

Received 27 May 2015; Revised 4 August 2015; Accepted 4 August 2015

Academic Editor: T. A. Salerno

Copyright © 2015 Hyung-Il Choi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Spontaneous perirenal hemorrhage (SPH) is uncommon but can be a life-threatening condition which is associated with flank or abdominal pain and hypovolemia. The etiologies of SPH include tumor, vascular disease, and infection. Among the vascular diseases, polyarteritis nodosa (PAN) is common cause of the SPH. However, patients with PAN usually complain of nonspecific symptoms and the incidence of PAN is relatively rare. So, diagnosis is difficult even though tissue biopsy and angiography help to confirm the PAN. Particularly bilateral perirenal hemorrhage is very rare complication in patients with PAN. We reported a case of bilateral perirenal hemorrhage in the patients with PAN who have continued to take exogenous sex hormone.