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Case Reports in Urology
Volume 2014, Article ID 161640, 3 pages
Case Report

A Giant Case of Pyonephrosis Resulting from Nephrolithiasis

1Department of Urology, Medical Park Hospital, Istanbul, Turkey
2Department of Urology, Sevket Yilmaz Education and Research Hospital, Yildirim, Bursa, Turkey
3Department of Urology, Duzce University School of Medicine, Duzce, Turkey

Received 20 March 2014; Revised 28 May 2014; Accepted 22 June 2014; Published 3 July 2014

Academic Editor: David Duchene

Copyright © 2014 Ali Erol 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.


Pyonephrosis is an uncommon disease that is associated with suppurative destruction of the renal parenchyma in adults. Upper urinary tract infection and obstruction play a role in its etiology. Immunosuppression from medications (steroids), diseases (diabetes mellitus, AIDS), and anatomic variations (pelvic kidney, horseshoe kidney) may also be risk factors for pyonephrosis. Fever, shivering, and flank pain are frequent clinical symptoms. On physical examination, a palpable abdominal mass may be associated with the hydronephrotic kidney. Septic shock and death can occur if the disorder is not treated with urgent surgery. After the acute phase, most patients are treated with nephrectomy. In this paper, we share the etiology, clinical features, diagnosis and treatment of pyonephrosis using the background of a case with giant pyonephrosis developing due to a kidney stone, the most common cause of upper urinary tract obstruction.