Primary anorectal melanoma. About one case

The authors report one observation of a primary anorecral melanoma, in a woman of 60 years, diagnosed by biopsy of a pigmented tumour, situated 4 cm above the anal margin. The evolution was fatal by a metastatic diffusion and an abundant rectum haemorrhage within the period of 5 months. Through our case and review of literature we try to bring out the characteristics, particularly the problem of diagnosis and therapeutics of this rare location and a very bad forecast of a primary melanoma