遊離前腔皮弁による舌・口底再建後の舌運動について : 第1報: 口底部に進展した歯肉癌症例について

概要

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Two patients recieved subtotal resection of floor and mandible, including radical neck dissection, because of advanced cancer of mandibular gum. Hemiglossectomy was done in one patients, and one-third of tongue was resected in the other.<BR>Both glossectomies were performed in the frontal direction. Immediate reconstruction proceeded using A-O plate and free radial forearm flap.<BR>The kinetics of the repaired tongues were analysed longitudinally with lateral cephalograms enhancing the tongue, ultrasonic scanner and speech intelligibility test of Japanese syllables (dividing the tongue into anterior, middle and posterior portions).<BR>As a results, the area of difficulty in postoperative movement of the tongue was wider than the resected portion in both patients. Longitudinally the kinetics remained stable more than 6 months after surgery.<BR>The mobility of the reconstructed tongue was thought to improve by six months after operation. But compensatory function was considered effective to compensate the deficiency of the tongue function.