Acral-lentiginous melanoma (ALM) is a rare form of melanoma that can occur under a fingernail or toenail. It can also be found on the palms of the hands or the soles of the feet. It's more common in blacks and in other people with darker skin pigment.
The first sign may be a “nail streak”-a narrow, dark stripe under the nail.
A new nail streak, not caused by a recent accident or trauma, an enlarging nail streak, a wide or very darkly pigmented streak, or a nail that is separating or lifting up from the nail bed should always be examined by a dermatologist.
A sign of more advanced ALM is when the nail streak has pigmentation in the nail fold skin or when the nail plate is destroyed.
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Hello Anonymous,
Acral-lentiginous melanoma (ALM) is a rare form of melanoma that can occur under a fingernail or toenail. It can also be found on the palms of the hands or the soles of the feet. It's more common in blacks and in other people with darker skin pigment.
The first sign may be a “nail streak”-a narrow, dark stripe under the nail.
A new nail streak, not caused by a recent accident or trauma, an enlarging nail streak, a wide or very darkly pigmented streak, or a nail that is separating or lifting up from the nail bed should always be examined by a dermatologist.
A sign of more advanced ALM is when the nail streak has pigmentation in the nail fold skin or when the nail plate is destroyed.
Regards,
June 25, 2015 - 9:12amMaryann
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