성문상 부분 후두절제술：종양학적 및 기능적 고찰
Supraglottic Partial Laryngectomy：Oncologic and Functional Results
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Abstract
Background and Objectives：Supraglottic partial laryngectomy alows the removal of selected supraglottic tumors, preserving a functioning larynx and avoiding a permanent tracheotomy. The purpose of this study was to evaluate our experience with supra-glottic partial laryngectomy and to review the functional and oncologic results of the operation. Subjects and Method：We retrospectively reviewed the medical records of 40 patients with squamous cell carcinoma of the supraglottis and 1 patient with sarcomatoid cancer； (n= 31) or extended supraglottic laryngectomy (n= 10) from May 1991 and December 2001. Fifteen patients had tumors in T1, 25 patients in T2, and 1 patient in T3. The primary lesion of the tumors were as follows：suprahyoid epiglottis (n= 12), infrahyoid epiglottis (n= 13), aryepiglottic fold (n= 10), false vocal cord (n= 4), and pyriform sinus (n= 2)survival rate and the prognostic factors. The evaluations of postoperative function were performed with regard to decannulation, oral diet, and average time taken to decannulate and to initiate oral intake. Results：The disease-specific 3-year survival rate was 87%. Pathologic lymph node metastasis and the invasion of tumor to the preepiglotic space were significant clinical prognostic factors afecting survival. Local recurence was developed in only one case (2.6%). Decanulation was posible in 93% of our nnulation time was postoperative 28.3 days and the average time taken to begin oral feeding time was 23.2days. Conclusion：This study sugests that supraglottic par-tial laryngectomy may be used with acceptable oncologic and functional results for supraglotic cancers.
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