色素痣为良性肿瘤,在静止状态下一般可不予治疗。但在受外伤或反复刺激下有可能演变为恶性黑色素瘤。当发现色素痣突然增大,色素加深,表面粗糙且有出血趋势时则应彻底切除。此外色素痣生长在眼睑及泪阜上有碍美观,很多人出于美容的目的要求治疗。不论那种情况如采用手术切除,因需切除包括色素痣及其周围一定范围的正常组织,切除后造成的组织缺损需要修补,手术 Pigmented nevus benign tumor, in general, can not be treated at rest. However, it is possible to evolve into malignant melanoma by trauma or repeated stimulation. When found a sudden increase in pigmented nevus, pigment deepened, the surface roughness and bleeding tendency should be completely removed. In addition, pigmented nevus growth in the eyelids and tear Fu obstruct appearance, many people require treatment for cosmetic purposes. Regardless of the situation, such as the use of surgical resection, due to the need to excision, including the nevus and its surrounding a certain range of normal tissue, tissue defects caused by resection need to be repaired, surgery