[Anorectal malignant melanoma. report of three cases]

The authors report three cases of primary anorectal malignant melanouns ik order to discuss the diagnosis problems. The various therapeutic modalities and to remind of the prognostic factors of this rare and unknown affection and that the diagnosis is unfortunately realized in advanced stage. Mrs BO, 55 years old, presented rectorrhages and false meeds since a year, the clinical examination showed rectal tumor that bleeds with touch. The mass has been biopsed during the rectoscopy and the diagnosis of the malignant melamoma has been confirmed. Abdominoperitoneal amputation had been realized. Mr FK, 35 years old, hospitalized because of constipation and rectorrhages that evolve since 7 months with lost's of weight and alteration of the general state. The rectal touch emphasizes a budy rectal polypoid tumor about 6 cm that the biopsies confirmed the diagnosis of invasike malignant.A Hartman's operation has been realized. A resection of the tumoral bud has been realized 3 months later, the patient died 4 months after that. Mrs FK, 50 years old, presented since 50 days relapsing rectorrhages. The rectal touch showed a rectal tumor for about 6 cm from the anal margin, the biopsy during the rectoscopy confirmed the diagnosis of the pigmented and little invasive malignant melanoma. The abdominal echography showed hepatic metastases and a resection by endo-mal way in order to reduce the tumor has been realized. The inclusion of the primary anorectal malignant melanoma in the diagnosis of the affections of the anorectal region would permit an improvement of this affection prognosis. This is still unfortunate when it is diagnosed lately. Its treatment is still surgical. the role of the other therapeutics is still need to be defined