– The authors describe a case of voluminous multilocular cysts of the left kidney in a 41-year-old woman. Potter's dysplatic, Friedman's congenital, Arey's hamartomatose theories have all been put forward regarding the histopathogenesis of this disease. The lack of renal tissue in the septa, the presence of non-communicating compartments containing liquid and the normality of the surrounding parenchyma distinguish this pathology from other cystic lesions of the kidney. Although imaging techniques show the presence of renal lesions, they are not pathognomonic for multilocular renal cysts. The patient underwent left nephrectomy and the histological exam confirmed the diagnosis.
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