title: Acral lentiginous melanoma.
abstract: Acral lentiginous melanoma (ALM) is a relatively recent addition to the clinicohistopathologic classification of melanomas. This variant constitutes 7 to 9 percent of diagnosed melanomas and is typified by a lentiginous macule occurring on the palm, sole, or in subungual regions. A patient with ALM arising in the subungual area and a review of the relevant literature are presented herein.
mesh_terms: D005260:Female; D005385:Fingers / Q000473:pathology*; D006801:Humans; D007911:Lentigo / Q000473:pathology; D008545:Melanoma / Q000473:pathology*; D008875:Middle Aged; D009262:Nails / Q000473:pathology; D012878:Skin Neoplasms / Q000473:pathology*