subungual melanoma(redirected from melanoblastoma of nailbed)
a melanoma beginning in the skin at the border of or beneath the nail, usually of acral lentiginous type (q.v.).
subungual melanomaA melanoma that presents under or adjacent to a fingernail, and which may extensively involve the finger.
sub·un·gual mel·a·no·ma(sŭb-ŭng'gwăl mel'ă-nō'mă)
A melanoma beginning in the skin at the border of or beneath the nail.