초기 성문암의 치료 성적 및 재발시 보존적 구제술의 적용
Initial Treatment and Conservation Salvage Surgery of Early Glottic Cancer
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Abstract
Background and Objectives：Surgery or radiation therapy is most widely employed in the treatment of early glottic cancer with herapy can also be adopted for recurring early glottic cancer. Nowadays, conservation salvage surgery presents as an excellent alternative to the traditional total laryngectomy with favorable results. The objective of this study is to compare the outcome of each treatment modality for early glottic cancer and evaluate the role of conservation salvage surgery for recurring cases. Subjects and Method：Seventy-three patients with early glottic cancer (stage Tis, T1, T2 N0M0) were treated between January 1995 and December 2001, radiation therapy as an initial treatment. Then, both groups were analyzed for local control and recurrence rate after initial treatment and conservation salvage surgery for recurrent case, respectively. Results：Twenty-four patients had conservation surgery and 49 had radiation therapy as an initial treatment. Local control rate was 100% for conservation surgery, 93.9% for radiation therapy and there was no significant diference betwen groups. Recurrence rate for each group was 8.3% and 15.3%, respectively, but including laser cordectomy, hemilaryngectomy, frontolateral hemilaryngectomy, and supracricoid partial laryngectomy had ben performed in 10 cases. In all cases, laryngeal preservation was posible and there was no recurrence of tumor during folow up periods. Conclusion：As an initial treatment modality, conservation surgery and radiation therapy was proven to be equaly efective for early glotic cancer with no significant diference in local control and recurrence rate. For the recurrent cases, con-d oncological results and excelent laryngeal preservation.
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