منابع مشابه
Subungual 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 کاملSubungual melanoma: a deceptive disorder.
Subungual melanoma is an uncommon form of acral melanoma that arises within the nail bed. The incidence for acral melanomas is similar worldwide, but the proportion is higher in dark-skinned individuals. The subungual form represents about 2% of cutaneous non-sun induced melanomas in the western world, and up to 75% in Africans, 10% in Japanese, and 25% in the Chinese of Hong Kong. Up to 33% of...
متن کاملSubungual Melanoma of the Thumb
DESCRIPTION A 57-year-old Polish woman presented with longitudinal melanonychia of the right thumb that has been present for 1 year. The lesion has not changed in size during that period. The patient reported no history of trauma to the thumb. There was no tenderness to palpation of the area and there were no signs of infection. The patient had full range of motion of the interphalangeal (IP) j...
متن کاملEarly diagnosed but late treated subungual melanoma.
Fig. 2. Strong HMB-45 positivity of the tumour cells (×200). Sir, Subungual melanoma is a relatively rare disease with a reported incidence of between 0.7% to 3.5% of all melanoma cases in the general population (1). Most common sites of involvement are the big toe, the thumb and the index and ring fingers, respectively (2–4). Common signs include pigmentation of the nail bed, nail loss, and na...
متن کاملA Hidden Threat: Subungual Melanoma in Hand
Subungual melanoma, a relatively uncommon disease, has a worse prognosis than cutaneous melanoma in other sites. Both this life-threatening disease and its treatment cause cosmetic and functional impairment to the patient. The diagnosis is often delayed and resulting an advanced disease at presentation. The important clinical manifestation, diagnosis and latest treatments for subungual melanoma...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2015
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.140554