Pseudo-Kaposis sarcoma is a self-limited process associated with vascular malformations, without the neoplastic character of real Kaposis sarcoma. In most cases, it has been associated with an underlying congenital arterial venous fistula and chronic venous insufficiency, We present a case of Pseudo-Kaposis's sarcoma developing after plagment of arteriovenous fistula for hemodialysis in a patient wiith chronic renal failure and review cases reported in articles. (Kor J Dermatol 1994; 32(2): 358-361)