Amelanotic anorectal melanoma: A case report

Mariam Konso 1, *, Salma Mechhor 1, Hicham El Bacha 1, Manal Cherkaoui Malki 1, Ihssan Elouarith 2, Fouad Zouaidia 2, Nadia Benzzoubeir 1 and Ikram Errabih 1

1 Department of Gastroentero-Hepatology and Proctology “Medicine B”, Ibn Sina Hospital, University Mohamed V, Rabat, Morocco.
2 Department of Pathological Anatomy, Ibn Sina Hospital, University Mohamed V, Rabat, Morocco.
 
Review
International Journal of Science and Research Archive, 2024, 12(02), 1426–1429.
Article DOI: 10.30574/ijsra.2024.12.2.1365
Publication history: 
Received on 17 June 2024; revised on 28 July 2024; accepted on 30 July 2024
 
Abstract: 
Anorectal melanomas represent less than 1% of all anorectal cancers and 0.3% of malignant melanomas [1]. Rectal localization is rare, accounting for 0.3% of all melanomas [2]. It is often secondary to infiltration of the rectal mucosa by an anal-derived process originating from melanocytes normally present in the squamous epithelium of the pectineal zone and in the transitional epithelium above the pectineal line [6-7]. Its prognosis is dreadful due to the early occurrence of metastases. We report an observation from the Department of Medicine B, Ibn Sina University Hospital, and Rabat.
 
Keywords: 
Amelanotic anorectal melanoma; Rare; Diagnosis; Histopathology; Metastases.
 
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