黑痣

Patches lighter in color than the normal skin may be completely depigmented or have lost only part of their pigment. This is an important distinction, since certain conditions are or may be hyposigmneted such as tinea versicolor, nevus anemicus, leprosy, hypomelanotic macules of tuberous sclerosis, hypomelanosis of Ito, seborrheic dermatitis, and idiopathic guttate hypomelanosis.

比正常皮肤颜色浅的斑片可能是完全或部分丧失了色素，这是一个重要的特征，因为某些疾病就可能是色素沉着减少的，如花斑癣、贫血性痣、麻风、结节性硬化性低色素性斑疹、伊藤黑素过少症、脂溢性皮炎、特发性点滴状色素减少症。

Primary melanocytoma (benign; also known as cellular blue nevus or melanotic schwannoma) or diffuse malanosis are very rare conditions of the leptomeninges.

脑膜或脊膜部位的原发黑色素细胞瘤（良性，又称细胞性蓝痣或黑色素性施万氏瘤）或弥漫性黑变病在非常罕见。

Results It was found that the most frequent sites of BCC were the nose and periocular area,the age of highest incidence of BCC was ranged from 40 to 49, and solid BCCs were most common compared with other types. 28.57% of the cases were misdiagnosed clinically as pigmented nevus, seborrheic keratosis, malignant melanoma, et al.

结果：BCC最好发的部位是鼻部和眼周，发病年龄高峰40～49岁，实体型BCC最常见，28.57%的病例临床上被误诊为色素痣、脂溢性角化、恶性黑素瘤等。

Epidermal hyperpigmentation occurs in nevi, melanoma, café au lait spots, melasma, and lentigines. These lesions are accentuated when examined with a Wood's light.

表皮色素增多发生于痣、黑素瘤、咖啡斑、黄褐斑、黑子等，用伍氏灯检查时更明显。

Epidermal hyperpigmentation occurs in nevi, melanoma, café au lait spots, melasma, and lentigines. These lesions are accentuated when examined with a Wood's light.

表皮色素增多发生于痣、黑素瘤、咖啡斑、黑斑病、色斑等，用伍氏灯检查时更明显。

Both the intensity and pattern of expression of each marker were significantly different in melanomas compared to nevi.

每种标志物在黑素瘤中的表达强度和形式与在痣中的比较，有显著性差异。

NEW YORK Mar 22 - Redarkening of port-wine stains treated with pulsed-dye-laser therapy is fairly common, new research suggests.

纽约3月22日-新研究表明，用脉冲-染料激光疗法治愈再次变黑的葡萄酒样痣已经相当普遍。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。