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反甲症在高寒矿区并不少见,轻者可无任何症状,严重者可出现局部疼痛、出血及影响工作。为弄清发生反甲症的原因,笔者在阿勒泰云母矿随机对不同年龄和性别428人进行了调查,报告如下。428人其中男性211人,女性217人,患反甲症者140人,患症率32.7%。反甲轻者仅指甲光泽消失,指甲变平,严重者可出现中央凹陷,边缘上翘,指甲与甲床分离出血。反甲指数总共490个,右手287个,左手203个,分别占总指数58.5%、41.5%。手指中拇指、食指、中指、无名指、小拇指分别患症指数为212、162、87、18及11个,各
Anti-methamphetamine in the cold mining is not uncommon, light without any symptoms, severe pain, bleeding and may affect the work. In order to find out the reasons for the occurrence of anti-A, we conducted a random survey of 428 people of different ages and genders in the Altaic mica mine and the report is as follows. 428 people, including 211 males and 217 females, suffering from anti-thyroidism, 140 people, the prevalence rate of 32.7%. Anti-A light only nail gloss disappears, nails flattening, severe central depression may occur, the edge upturned, nails and nail bed bleeding separation. A total of 490 anti-A index, the right hand 287, 203 left hand, accounting for 58.5% of the total index, 41.5%. Finger thumb, index finger, middle finger, ring finger, little finger disease index were 212,162,87,18 and 11, each