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A Journal on Nephrology and Urology

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Minerva Urologica e Nefrologica 2002 June;54(2):135-8

language: Italian

Hydatic cyst of the kidney. Case report

Geraci E., Pallotti S., Bassi G. P., Maj L.

USL 20 - Piemonte Ospedale di Tortona (Alessandria) Divisione di Urologia


The authors present a case of echinoccosis of the kidney that is interesting because of the uncommon site of localization; they illustrate their diagnostic and therapeutic approach to surgical and pharmacological management of the infection. Epidemiologically, hydratid cysts localized in the kidney occur far less often in northern Italy compared with the central-southern areas and the islands. However, echinococcosis should be suspected whenever symptoms include lumbar pain or swelling. Echography will reveal characteristic capsule and daughter cysts, while radiographic studies will often show a rim of calcification on the outline of the kidney. This information should be considered in conjunction with serologic tests (IgG-specific titers). If results to these tests are negative, abdominal computed tomography scans with contrast medium may be useful in demonstrating more details to establish diagnosis. Conservative (pericystectomy) or radical (nephrectomy) surgery is usually effective in curing the patient. Pharmacological therapy with albendanzole can be a useful support in association with surgery or as an alternative single therapy in patients with other medical problems or spontaneous fistula formation that preclude surgery.

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