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最近有几篇研究表明痣数对恶黑是一种高危因素,但有关痣的分布和危险因素的关系知道很少。本文作者在苏格兰白种人群中,调查了不同部位间痣数、特定部位与全身痣数的关系。对197名白种成人(120名女性,77名男性),由专业皮科大夫计数除头皮和生殖器外身体所有部位直径2mm 以上的良性黑素细胞痣。按50岁以下和50岁以上年龄组,根据解剖区域记录痣数:上肢,下肢、除生殖器外的躯干、颈、面、掌和跖。计算全身痣数和各个部位痣、痣数间分别的对比率数。在成人黑素细胞痣数随年龄增长而减少,每个年龄组,在全身、上肢和下肢,女性明显比男性多,而在躯干,年龄较小组的男性较多。在两性,躯干和上肢、躯干和下肢、上肢和下肢之间对比率均有高度显著性,颈、面部痣和其他部位痣之比为中等的对比率,而掌和跖痣则显示较小的对比率;全身和上肢、下肢、躯干的各个部位痣数之间的对比率均有高度显著性(P<0.001)。本文研究结果表明,在上肢、下胺和躯干各个
Recently, several studies have shown that the number of moles is a high-risk factor for gangrene, but little is known about the distribution of helium and the risk factors. The authors of this study investigated the relationship between the number of ticks, specific sites, and the number of whole body ticks in different parts of the Caucasian population in Scotland. For 197 white adults (120 females, 77 males), the number of benign melanocytes in all parts of the body except for the scalp and genitalia was counted by a professional dermatologist. According to the age group below 50 and above 50 years old, the number of deliriums was recorded according to the anatomical region: upper limbs, lower limbs, trunks other than the genitalia, neck, face, palm and ankle. Calculate the number of convulsions between the number of whole body turns and the number of turns in each part. The number of adult melanocyte clones decreases with age. In each age group, women are significantly more numerous than men in the whole body, upper limbs, and lower limbs, while in the trunk, there are more males in the younger age group. In the sexes, the contrast ratio between the trunk and upper limbs, the trunk and lower limbs, the upper and lower limbs was highly significant, the ratio of neck, facial blemishes, and other parts of the chin was moderate, while the palm and blemishes were smaller. The contrast ratios; the contrast ratios between the body and upper limbs, lower limbs, and trunks were highly significant (P < 0.001). The results of this study show that in the upper extremities, the lower amines and the torso