Uncommon presentation of anorectal melanoma

Malignant melanoma is the malignancy derived from melanocytes. Cutaneous melanoma is more common than mucosal melanoma. Anorectal malignant melanoma is a rare tumor with a poor prognosis. It is <1% of all anorectal malignancies and 1 to 2% of melanoma. In view of the late presentation and natural course of the disease, most of the cases reported in an advanced stage. In this report of 35-year-old female admitted with features of inguinal mass and deep vein thrombosis (DVT) due to anorectal melanoma. The most common presentation of anorectal melanoma was hematochezia and mass in the anal canal. Till now few cases reported with DVT.