Incidentally Detected Primary Giant Renal Cystic Enchinococcosis in a Young Patient: An Underestimated Entity?

Emre Urer,1 Ozer Ural Cakici,1 *Abdullah Erdem Canda,2 Aylin Kilic Yazgan,3 Seda Marali,3 Erem Asil,1 Ali Fuat Atmaca2

1. Department of Urology, Ankara Ataturk Training and Research Hospital, Ankara, Turkey
2. Department of Urology, School of Medicine, Yildirim Beyazit University, Ankara Ataturk Training  and Research Hospital, Ankara, Turkey
3. Department of Pathology, Ankara Ataturk Training and Research Hospital, Ankara, Turkey
*Correspondence to erdemcanda@yahoo.com

Disclosure: No potential conflict of interest.
Received: 13.10.14 Accepted: 24.11.14
Citation: EMJ Urol. 2015;3[1]:42-45.

Abstract

Echinococcosis is a parasitic infestation caused by Echinococcus granulosus and is an endemic disease in many parts of world. The symptoms and signs depend on the location and size of the cyst. Renal cystic echinococcosis or hydatid cyst (HC) disease of the kidney is extremely rare and constitutes only 2-4%  of all cases of hydatid disease (HD). We present a 39-year-old male patient who was referred to our  outpatient clinic with cystic right kidney mass that was incidentally diagnosed during hepatobiliary  ultrasound for chronic hepatitis B evaluation. Routine blood tests were normal without eosinophilia.  Indirect haemagglutination test was negative. Abdominal kidneys, ureters, and bladder X-ray showed an 83×95 mm sized curvilinear calcification in the right upper abdominal quadrant. Abdominal computed tomography scan and magnetic resonance imaging demonstrated a 10x9x10 cm sized cystic mass arising from the middle pole of the right kidney, destructing the whole upper pole and extending into the liver. Daughter vesicles were present in the cystic lesion suggesting renal HD. Right retroperitoneal exploration with flank approach and right radical nephrectomy was performed without any complications. Pathology confirmed HC lesion. Following surgery, albendazole 400 mg per os twice daily for 4 weeks was suggested.

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