Can longitudinal melanonychia be benign?
Can longitudinal melanonychia be benign? There are three types of longitudinal melanonychia in this category: lentigo, nail matrix nevus, and subungual melanoma. The former two conditions are benign lesions, while the latter is malignant. Lentigo and nail matrix nevi are benign conditions that share similar clinical characteristics. Can benign melanonychia become malignant? In some cases, […]