[Therapeutic lymphapheresis in leukostasis-induced priapism].

Priapism occurred as a result of leukostasis due to an extreme rise in leukocyte count (503,000/microliter, 96% lymphocytes) in a 46-year-old man with chronic lymphatic leukaemia. In addition to surgical treatment, anticoagulant administration and cytostatic treatment several courses of lymphapheresis were performed using a cell separator. This latter procedure quickly reduced the number of lymphocytes and improved the patient's operability.