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气管切开术在临床上应用较为广泛,不少文献对气管前间隙及甲状腺的常数、常态作过描述,但对峡部本身在颈前区的自身比例值及体表定位研究较少。为了减少手术时峡部的损伤及对切口选择的盲目性,本文对甲状腺峡部在颈前正中基准线上作了自身比例值及体表定位调查。本文还调查了侧叶长度、峡宽、锥体叶出现情况及颈静脉切迹以上的气管软骨环数。材料与方法
Tracheostomy is widely used in clinical practice. Many literatures have described the constant and normal conditions of the anterior tracheal space and thyroid gland. However, there are few studies on the ratio and body surface localization of isthmic area in the anterior cervical region. In order to reduce the injury of the isthmus and the blindness of incision selection during operation, this paper made a survey of the thyroid isthmus on the baseline of the anterior cervical median by self-ratio and body surface localization. This article also investigated the lateral leaf length, girth, pyramidal lobe and jugular notch above the tracheal cartilage ring. Materials and Methods