报告1例巨大先天性黑素细胞痣恶变并淋巴结转移.患儿男,14个月.出生后即发现腰骶部有巨大黑素细胞痣,14个月时皮损组织病理检查示,......

Aplasia cutis congenita(ACC)is a rare disease that is characterized by complete or partial absence of skin at birth,eith......