@article{3143085, title = "Diffuse anorectal melanoma; review of the current diagnostic and treatment aspects based on a case report", author = "Stoidis, Christos N. and Spyropoulos, Basileios G. and Misiakos, and Evangelos P. and Fountzilas, Christos K. and Paraskeva, Panorea P. and and Fotiadis, Constantine I.", journal = "World Journal of Surgical Oncology", year = "2009", volume = "7", publisher = "BMC", issn = "1477-7819", doi = "10.1186/1477-7819-7-64", abstract = "Primary anorectal melanoma is a rare and aggressive disease. Patients commonly complain for changes in bowel habits and rectal bleeding, and proctoscopically they mostly appear as non pigmented or lightly pigmented polypoid lesions. Such a lesion should always raise a high index of suspicion in any gastroenterologist or surgeon to prompt surgery, since early radical excision is the only treatment option. Herein, we report a case of a 57-year-old man with a diffuse anal canal melanoma and give reference to the current diagnostic and treatment options." }