[Incomplete central diabetes insipidus in living kidney transplant patient].

A 31-year-old man was sent to hospital for urgent treatment. He was in the terminal state of chronic renal failure, and was placed under hemodialysis immediately. Proteinuria and hypertension had been notified since adolescence, had been left untreated, and there was no record of his conditions, was. Living kidney transplantation was conducted 8 months later. The donor was his father. After the operation, rejection was not recognized, but urine volume per day was not reduced and maintained the level around 10.000 ml. At the same time, the decrease of body weight and the rise in the serum creatinine concentration were noted. The results of magnetic resonance imaging and the hypertonic saline test (Hickey Hare Test) have formed diagnosis of incomplete diabetes insipidus. Immediately after the administration of desmopressin (rhinenchysis), the decrease of urine volume was recognized, and the body weight and serum creatinine concentration became stable.