Acral lentiginous melanoma (ALM) is a form of lentiginous melanoma that typically originates on the feet, hands, toenails, fingernails, and inside mucous membranes. Find out more about the signs and symptoms of acral lentiginous melanoma.
Acral lentiginous melanoma: A brown, irregularly-shaped macular lesion of the unexposed skin that undergoes progression to nodular melanoma. It is found in patients older than 60 years, is more common in Africans and Asians, and occurs on areas of the body lacking hair, such as the soles, palms, fingers, subungual and periungual areas, and muscosal surfaces. #dermatology #beintheknow #skin *Information thanks to AAD