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Clin Colon Rectal Surg 2002; 15(4): 271-276
DOI: 10.1055/s-2002-36509
DOI: 10.1055/s-2002-36509
Anal and Peri-Anal Melanoma
Further Information
Publication History
Publication Date:
07 January 2003 (online)


ABSTRACT
Primary anorectal malignant melanoma is a rare entity comprising approximately 1% of all malignant tumors in the region. It is the third most common site of primary melanoma after the skin and retina. For every one case of anal melanoma, there are 8 squamous cell carcinomas of the perianal skin and anal canal and 250 adenocarcinomas of the rectum. The prognosis for anorectal melanoma is dismal with few 5-year survivors. The poor prognosis is due to the advanced stage of the disease at the time of diagnosis.
KEYWORD
Melanoma - anal canal - anal tumors - anorectal - abdominoperineal resection - local excision