A5106383002Centro Medico Nacional Siglo XXI
2024
Mexican Social Security Institute
2024
Hospital de Especialidades
2024
Anorectal melanoma (AM) is a rare and aggressive type of tumor, with varied inconclusive scientific information. Its preoperative diagnosis challenging due to its rarity similarity other anorectal conditions. It represents only 1.3% melanomas affects more women than men. Approximately 20-30% AM cases are amelanotic, complicating endoscopic detection leading misdiagnoses. often confused hemorrhoids, polyps, rectal cancer in two thirds patients similar symptoms. The causes risk factors not...