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目的:了解第一气管环的结构.方法:对40具正常成人尸体第一气管环的结构进行测量,结果:发现第一气管环的内横径的平均值为15.95 mm,内矢状径平均值为13.47 mm,第一气管环前正中线的高度平均为 7.76 mm.结论:对于全喉切除术后进行发音重建,防止气管瘘口狭窄等均有重要的临床意义.
Objective: To understand the structure of the first tracheal ring.METHODS: The structure of the first tracheal ring of 40 normal adult cadaver was measured and found that the mean internal diameter of the first tracheal ring was 15.95 mm, mean sagittal diameter Value of 13.47 mm, the average height of the anterior midline of the first tracheal ring was 7.76 mm.Conclusion: It is of clinical importance to perform phonetic reconstruction after total laryngectomy to prevent tracheal fistula stenosis.