Question: what are acral lentiginous melanoma?
Answer: Acral lentiginous melanoma (ALM) is a specific type of melanoma that appears on the palms of the hands, the soles of the feet, or under the nails. Melanocytes contain your skin color (known as melanin or pigment). In this type of melanoma, the word “acral” refers to the occurrence of the melanoma on the palms or soles.