当教室〔三重大学耳鼻咽喉科学教室〕最近20年間の正中頚嚢腫症例 (三吉康郎教授開講20周年記念論文集)

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This report is based on experience with 47 cases of thyroglossal cysts surgically treated in the Department of Otolaryngology, Mie University Hospital during the last 20 years from 1961 to 1980.Forty-two cases were of cysts and five were accompanied with fistula. These cases were comprised of 25 males and 22 females with a male-female ratio of 1.1:1.0. Thirty-three cases (69%) underwent operative treatment at the age of 30 years or younger. All of the cysts were located around the hyoid bone. Forty cases underwent the initial treatment in this department. The cyst and fibrous core of the tissue were removed with a midportion of the hyoid bone in 27.5% of these patients. None of these patients had recurrence. The cyst and core were removed with preservation of the hyoid bone in 72.5% of these patients and one of them had recurrence.Six of the seven patients who had had previous surgery were found to have had preservation of the hyoid bone. In the secondary surgery for two of these six patients, the cyst and core were removed with a midportion of the hyoid bone. The results were satisfactory.These results suggest that the midportion of the hyoid bone should be excised, if there is any difficulty in excising a core of the tissue extending to the base of the tongue under the hyoid bone.
耳鼻咽喉科臨床学会の論文