Polypoid amelanotic melanoma: a diagnostic challenge
نویسندگان
چکیده
منابع مشابه
Sinonasal amelanotic malignant melanoma – A diagnostic dilemma
Amelonotic malignant melanoma; Sinonasal cavity; Nasal polyposis; Immunocytochemistry Abstract Malignant melanoma involving mucosal surface of the head and neck region is rare. Malignant melanoma involving the nasal cavity is even rarer and accounts for less than 1% of cases. Prognosis is generally poor with unpredictable outcome. Regional and distant metastasis is common at presentation. We pr...
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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...
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ژورنال
عنوان ژورنال: Dermatology Online Journal
سال: 2018
ISSN: 1087-2108
DOI: 10.5070/d3248041132