本文比较了55例经组织学证实的皮肤色素痣(21例)和恶性黑色素瘤(34例)的AgNOR数目及其直径,结果显示色素痣AgNOR数目明显低于恶性......

患者女,32岁.颧部对称性分布灰黑色斑点12年,色斑直径1～5 mm,边界清楚,虹膜和上腭黏膜未受累.其女7岁,颧部开始出现类似皮损.其妹24......

During a screening program, a 24-year-old woman presented an itchy nodule above the upper lip, 5 × 5 mm in size wit......