Management and pitfalls of stage I/II glottic cancer

Ichiro Tateya, Shigeru Hirano, Morimasa Kitamura, Shinpei Kada, Seiji Ishikawa, Tomoko Kanda, Ryo Asato, Shinzo Tanaka, Juichi Ito

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Abstract

Conclusions: Once-daily radiotherapy for stage I glottic cancer and hyperfractionated radiotherapy for stage II glottic cancer achieved satisfactory results in terms of prognosis and laryngeal preservation. The treatment strategy for stage II glottal cancer with subglottal invasion needs to be reconsidered to further improve the outcome. Objectives: Although early glottic carcinomas are highly curable by radiation therapy, the laryngeal preservation rate is not always sufficient. We reviewed the stage I/II glottal cancer treated in our institute during a recent 15-year period to improve the outcome and prognosis. Methods: In all, 113 cases of stage I/II glottic cancer (81 stage I cases and 32 stage II cases) were treated in Kyoto University hospital from 1994 to 2008. In 81 cases with stage I glottic cancer, radiation was performed for 66 cases, transoral laser excision (TLE) was performed for 14 cases, and hyperfractionated radiotherapy was done for one case. Among 32 cases with stage II glottic cancer, 24 cases were treated with hyperfractionated radiotherapy, 6 cases were treated with radiation, and one case with partial laryngectomy. Total laryngectomy was performed for one patient who suffered mixed connective tissue disease. KaplanMeier estimates were used for the analysis of survival rate and laryngeal preservation rate. Results: The 5-year overall survival rates were 88.4% in stage I cases and 89.1% in stage II cases. The 5-year disease-specific survival rates were 100% in stage I cases and 93% in stage II cases. The 5-year laryngeal preservation rates were 99% in stage I cases and 90% in stage II cases. Two cases of stage II glottal cancer with subglottal invasion failed to be controlled and the patients died from local recurrence and mediastinum lymph node metastasis, respectively.

Original languageEnglish
Pages (from-to)62-67
Number of pages6
JournalActa Oto-Laryngologica
Volume130
Issue numberSUPPL. 563
DOIs
Publication statusPublished - 11-2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology

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    Tateya, I., Hirano, S., Kitamura, M., Kada, S., Ishikawa, S., Kanda, T., Asato, R., Tanaka, S., & Ito, J. (2010). Management and pitfalls of stage I/II glottic cancer. Acta Oto-Laryngologica, 130(SUPPL. 563), 62-67. https://doi.org/10.3109/00016489.2010.489574