Bilateral renal lymphangiomatosis: US and CT findings.

A case of bilateral renal lymphangiomatosis in an asymptomatic 50-year-old female is presented. Ultrasound and CT studies were performed. A finely septated fluid collection surrounding both kidneys and traversing the midline was found. Surgical biopsy was obtained and revealed findings compatible with lymphangiomatosis. A review of the literature of renal lymphangiomatosis is given.