To the editor: Since the amelioration of psoriasis during dialysis was first described (1), a number of reports of positive effects of dialysis on this troublesome and often therapy-resistant disease have been published (2–7). At present, peritoneal dialysis (5, 6) and hemodialysis (5, 7) are used as therapy in otherwise untreatable cases. To our knowledge there has been no previous report of a psoriatic patient with renal insufficiency in whom chronic hemodialysis showed no positive effect in psoriasis.
A 32-year-old man had first had psoriasis vulgaris 14 years previously. Ten years after onset of this disease, albuminuria was discovered, and