Malacoplakia of the kidney is a rare inflammatory disorder. We describe a case of bilateral renal malacoplakia in which the patient had diffuse involvement of the left kidney and a focal lesion in the right kidney. Sonography showed a diffusely echogenic, enlarged left kidney with loss of corticomedullary differentiation and a single anechoic lesion measuring 1.8 x 1.6 x 1.3 cm in the right kidney. A left nephrectomy was performed, and the right kidney was managed conservatively with sonographic monitoring.
Copyright 2000 John Wiley & Sons, Inc.