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在临床实践中,我们发现慢性呼吸系统疾患病人的手指中关节背面皮肤改变比较典型,有不同程度的过度角化增生现象,可占70%以上,而其它病人和正常人则极少出现。所以将这一特征简称为肺皮征。肺皮征的表现在慢性支气管炎、支气管扩张、慢性阻塞性肺气肿、尘肺和慢性肺原性心脏病等疾患中,病人手指的中指关节背面皮肤过度角化而增生、增厚,关节的皮肤皱折纹理变浅或消失,形似神经性皮炎的扁平苔藓改变。肤色几乎与正常相同,触之发硬,局部感觉异常。一般以无名指、中指、小指为多,食指、大拇指次之。检查方法:自然光线下较好,以双手自然弯曲与正常人相互对照即可。观察组200例,其中慢性气管炎80例,病史3年以上,平均年龄为35岁,有56例中指、无名
In clinical practice, we found that patients with chronic respiratory diseases in the fingers of the back of the skin changes in the typical, with varying degrees of hyperkeratosis, can account for more than 70%, while other patients and normal are rare. So this feature is referred to as lung levy. Pulmonary signs of performance in chronic bronchitis, bronchiectasis, chronic obstructive pulmonary emphysema, pneumoconiosis and chronic pulmonary heart disease and other diseases, the patient’s fingers on the back of the back of the skin hyperkeratosis hyperplasia, thickening, joint Skin wrinkles texture shallow or disappear, similar to neurodermatitis lichen planus changes. Almost the same color as normal, touching the hair hard, the local feeling abnormalities. General ring finger, middle finger, little finger for index finger, thumb second. Inspection methods: better under natural light, natural bending with both hands and normal control each other. The observation group of 200 cases, of which 80 cases of chronic bronchitis, a history of 3 years or more, with an average age of 35 years, 56 middle finger, nameless