黑色素痣(melanocytic nevi)是由一群良性的黑色素细胞,聚集在表皮与真皮的交界产生的。 黑色素细胞可能会分布在网状真皮下部(lower reticular diemis),结缔组织束之间(between collagen bundles),围绕皮肤的其它附属器官如汗腺、毛囊、血管、神经等等,偶尔还会延伸到皮下脂肪。
目的:探讨二氧化碳激光治疗颜面部黑色素痣的临床疗效。
Objective To approach clinical efficacy of pigmented nevus treated by CO_2 laser.
皮肤恶性黑色素瘤与良性的黑色素痣相比更大、外形不规则。
This excision of skin demonstrates a malignant melanoma, which is much larger and more irregular than a benign nevus.
先天性的皮肤病变可以表现为多发或巨大的多毛发黑色素痣。
The congenital skin lesions may occur as multiple or giant hairy pigmented cutaneous nevi.
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