Immunosuppression therapy carries inherent risks involving the occurre
nce of infections and neoplasms. Whereas therapeutic advancement have
reduced its frequency, encrusted pyelitis reappears in kidney-transpla
nted patients and may lead to detransplantation. It is related to chro
nic urological infections and not inevitably Savvied by endoscopic exp
lorations. Kaposi's sarcoma is rite third cause of tumor in renal-tran
splanted patients. It is rarely multivisceral and develops exceptional
ly in the transplant. We report the case of a 60 year-old woman who de
veloped an encrusted pyelitis and a Kaposi's sarcoma in a kidney which
was transplanted 14 months earlier