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Scanning electron microscopic study of dermatoglyphics in carpal tunnel syndrome

机译:腕管综合征皮肤形态学的扫描电子显微镜研究

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摘要

The dermatoglyphics of the volar tip of the thumb and index finger of 20 patients in the first stage of carpal tunnel syndrome (CTS) without electromyographically detectable thenar impairment were examined by scanning electron microscopy with the aim of analysing its threedimensional features. In comparison with 20 healthy controls, only the central portion of the thumb and the central, medial and lateral portions of the index finger showed clear modifications. A low grade of hydrosis, confirmed by morphometrical measurements, was present in all pathological samples. Even the dermal ridges differed from the controls: in the pathological digits these were less flattened, more elevated and decreased in length, and the dermatoglyphics were less evident. The keratinocytes were identified on the dermal ridges in groups of 4–5 elements, with abundant exfoliation and numerous sweat pores which were irregular in size but had an increased diameter, probably due to compression of the autonomic fibers contained in the median nerve. To sum up, by using scanning electron microscopy, this study documented dermal alterations that occur in the thumb and index finger during the initial stages of CTS and that may be features of autonomic neuropathy.
机译:通过扫描电子显微镜检查了20例在腕管综合征(CTS)第一阶段没有肌电图可检测的纳纳尔损伤的拇指和食指的掌骨的皮肤形貌,旨在分析其三维特征。与20个健康对照组相比,只有拇指的中央部分和食指的中央,内侧和外侧部分显示出明显的变化。在所有病理学样本中均存在形态分析测量结果证实的低度水解。甚至真皮也与对照组不同:在病理指节中,这些扁平程度降低,长度升高和降低,并且皮纹学也不太明显。角质形成细胞以4–5个元素的组在真皮上被识别,具有大量剥落和大量不规则大小但直径增大的汗孔,这可能是由于正中神经中所包含的植物神经纤维受压所致。综上所述,通过使用扫描电子显微镜,这项研究记录了在CTS初始阶段在拇指和食指中发生的皮肤改变,这可能是自主神经病变的特征。

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