上喉頭神経に関する手術解剖学的研究

概要

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Damage to the superior laryngeal nerve has been scarcely mentioned in thyroid surgery, though much emphasis is placed on the preservation of the recurrent laryngeal nerve. In the present paper fifty-four adult cadaver larynges with the thyroid gland were studied in order to make clear the vulnerability of the superior laryngeal nerve duri- ng thyroid operation. The results obtained are as follows :(1) The external branch of the superior laryn- geal nerve was found to run adjacent to the thyr- oid gland in 68% and apart from the gland in 32%.(2) The external branch of the superior laryn- geal nerve ran very close to the superior thyroid artery. The nerve was situated posteriorly to the artery in 45% of our cases and ran between the braches of the artery in 55%.(3) The internal branch of the superior laryn- geal nerve ran apart less than 20mm from the up- per pole of the thyroid gland in 62% and apart less than 25mm in 88%.
一般社団法人日本耳鼻咽喉科学会の論文