Ultrasound in diagnosis and evaluation of lymphoceles after renal transplantation.

Three cases of lymphoceles after renal transplantation are described. The value of ultrasound is stressed in making the diagnosis, totally delineating the size, following the progression, evaluating the transplanted kidney for secondary hydronephrosis, and localizing the lymphocele for aspiration. Ultrasound is, therefore, believed to be a valuable diagnostic study in the evaluation of patients with a transplanted kidney with an unexplained reduction in renal function, leg edema, or a suspicion of a pelvic mass.