Vol.21 No.2

Case Report

Spontaneous perirenal hematoma due to Wegener’s granulomatosis after initiation of immunosuppressant

Authors

Taeko Ishii1,2 , Yoshinori Katada1 , Yukihiko Saeki3

  • Division of Allergy, NHO, Osaka-Minami Medical Center, 2-1 Kidohigashi-machi, Kawachinagano, Osaka, Japan
  • Department of Allergy and Rheumatic Diseases, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita Osaka, 565-0871, Japan
  • Department of Clinical Research, NHO, Osaka-Minami Medical Center, 2-1 Kidohigashi-machi, Kawachinagano, Osaka, Japan
Received:

31 May 2010

Accepted:

2 September 2010

Published online:

2 October 2010

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Abstract

Spontaneous perirenal hematoma (SPH) is a rare, life-threatening condition. We present a patient with Wegener’s granulomatosis (WG) who developed SPH soon after the initiation of immunosuppressant therapy. Few cases of SPH as a complication of WG have been reported, though a rupture of an aneurysm in patients with polyarteritis nodosa can lead to SPH. Though immunosuppressant therapy is considered to be the first-line therapy for SPH with vasculitis, SPH could still occur after the initiation of an adequate treatment regimen.

Key words

Corticosteroid - Immunosuppressant - Spontaneous perirenal hematoma - Wegener’s granulomatosis