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IMAGING DIAGNOSIS—ULTRASOUND-GUIDED ETHANOL SCLEROTHERAPY FOR A SIMPLE RENAL CYST

Authors


Address correspondence and reprint requests to Dr. Amalia Agut, at the above address. E-mail: amalia@um.es

Abstract

Solitary renal cysts are benign and in the majority of instances asymptomatic and do not require treatment. Nevertheless, treatment may be required if abdominal discomfort or pain, hypertension, infection or renal outflow obstruction occur. Under these circumstances, percutaneous management of the cyst is the easiest and fastest procedure, and no major complications are generally encountered. In this report we describe a patient with a solitary renal cyst treated successfully by a single injection of ethanol into the cyst. The sonographic appearance of the cyst changed from a well-defined hypoechoic structure to an ill-defined hyperechoic region. Canine renal cysts may be successfully managed in some instances by a single ethanol injection.

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