A CASE OF AMELANOTIC ANORECTAL MALIGNANT MELANOMA
نویسندگان
چکیده
منابع مشابه
A rare case of amelanotic anorectal melanoma.
We report an exceedingly rare case of amelanotic anorectal melanoma misdiagnosed as hemorrhoids. A 74-year-old man presented with a week's history of "blood on toilet tissue" without bowel complaints or history of cutaneous melanoma. Skin evaluation was normal. Rectal exam was negative for blood, but revealed an anal nodule, interpreted as a hemorrhoid. Hemoglobin was normal; bleeding persisted...
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......................................... Received: 24/07/13 Accepted: 27/08/13 Abstract We present the case of a 60 year old patient suffering pain and the sensation of a foreign body in the anal region associated with traces of blood in stools. Digital rectal exam (DRE) revealed a hardened lesion located on the wall of the anal canal. Colonoscopy revealed a raised proliferating lesion with a ...
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Epithelioid cell tumors presenting in the gastrointestinal tract are uncommon, but when they arise, arriving at a correct diagnosis is important. We report a case of anal malignant melanoma in an 82-year-old man who microscopically showed an epithelioid malignant tumor simulating a gastrointestinal stromal tumor. C-kit stain and Melan-A were diffusely and strongly positive, while HMB-45 was foc...
متن کاملSubungual amelanotic malignant melanoma.
We report a 61-year-old, male patient complaining from prolonged lesion on his great toe that has been previously treated surgically. Histopathological examination of toenail specimen revealed the presence of nests of atypical tumor cells that led to the diagnosis of amelanotic malignant melanoma. Four years ago, he was diagnosed as gout due to extreme erythema and edema in the same toe. He has...
متن کاملAmelanotic Anorectal Malignant Melanoma: Case Report with Immunohistochemical Study and Literature Review
Epithelioid cell tumors presenting in the gastrointestinal tract are uncommon, but when they arise, arriving at a correct diagnosis is important. We report a case of anal malignant melanoma in an 82-year-old man who microscopically showed an epithelioid malignant tumor simulating a gastrointestinal stromal tumor. C-kit stain and Melan-A were diffusely and strongly positive, while HMB-45 was foc...
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ژورنال
عنوان ژورنال: Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)
سال: 2004
ISSN: 1882-5133,1345-2843
DOI: 10.3919/jjsa.65.1012