| 释义 |
DictionarySeeALMacral lentiginous melanoma
ac·ral len·tig·i·nous mel·a·no·maa form of malignant lentigo melanoma that occurs in palms, soles, and subungual areas.acral lentiginous melanoma A rare, flat, palmoplantar, subungual or intraoral (malignant) melanoma, which is more common in non-caucasians (it is the most common melanoma in Blacks and Asians); average 5-year survival < 50%; ALMs are unrelated to sun exposure, but may be related to ectopic pigmentation.acral lentiginous melanoma A rare, flat, palmoplantar or subungual melanoma, more common in non-whites, average 5-yr survival < 50%, unrelated to actinic exposure, but possibly related to ectopic pigmentation. See Melanoma. |