myositis with Kaposi's sarcoma in a patient without human immunodeficiency virus-1 infection. Can J Gastroenterol 1991;5(1):l-4. The first case of dermatomyosit is complicating cutaneous and visceral Kaposi's sarcoma is presented in a 75-year-old man without human immunodeficiency virus infection. Dermacomyositis preceded a definitive diagnosis of Kaposi's sarcoma by six months, although in retrospect unrecognized lesions may have presented simultaneously. He was treated with prednisone and azathioprine, thus raising the possibility of the role of immunosuppression in promoting progress ion of the sarcoma. le is suggested that although the association between dermatomyosicis and Kaposi's sarcoma occurs rarely, dennatomyositis should be considered a paraneoplastic syndrome of Kaposi's sarcoma. Further, the finding of cutaneous les ions of Kaposi's sa rcoma co uld pred ict gastrointestinal involvement when dermatomyositis and Kaposi's sarcoma occur in the same patient Key Words: Dennatomyositis , Kaposi's sarcoma Dermatomyosite associee a un sarcome de Kaposi chez un patient non infecte par le virus d'immunodeficience humaine 1 RESUME: O n presence un cas de dcrmatomyosite compliquant un sa rcome de Kaposi (SK) cuta ne et visceral chez un homme de 75 ans qui n 'etait pas in fecte par le VIH. La dermatomyosite a precede le diagnostic fennel du SK de six mois, bien qu'en re trospective des lesions meconnues aie nt p u se manifest er simultanement. Le patient a ere traitc par la prednisone et l'azathioprine, ce qui evoque la possibilite du role de l'immunosuppression comme agent favorisant !'evolution du sarcome. On suggere que, bien que !'association dermatomyosite et sarcome de Kaposi soit ra re, la dennatomyosice soit consideree comme syndrome paraneoplasique d'un sa rcome de Kaposi. Plus encore, la decouverte des lesions cutanees du SK pourrait evoquer une atteinte gastrointestinale quand la dermatomyosite et le sarcome de Kaposi se declarent c hez un meme patient.