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Early glottic cancer: surgery or radiation therapy?
Tumori
|April 30, 1984
Summary
For early glottic cancer, surgery is effective for T1a stages, while radiation therapy shows better outcomes for T1b stages. Treatment decisions for T2 glottic cancer require further consideration.
Area of Science:
- Otorhinolaryngology
- Oncology
- Radiology
Background:
- Early glottic cancer treatment historically favored surgery.
- Radiation therapy was reserved for non-operable cases.
Purpose of the Study:
- To compare the efficacy of surgery versus radiation therapy for early glottic cancers (T1a, T1b, T2).
- To analyze treatment outcomes and salvage rates based on modality.
Main Methods:
- Retrospective analysis of 385 early glottic cancer patients treated between 1970-1979.
- Comparison of local control and actuarial survival rates for surgery and radiation therapy.
Main Results:
- 5-year local control rates: Surgery (85% T1a, 70% T1b, 65% T2); Radiation therapy (86% T1a, 83% T1b, 57% T2).
- 5-year actuarial results including salvage: Surgery (95% T1a, 86% T1b, 71% T2); Radiation therapy (86% T1a, 90% T1b, 69% T2).
- Cordectomy recommended for T1a; radiation therapy favored for T1b.
Conclusions:
- Cordectomy is the preferred treatment for T1a glottic cancer.
- Radiation therapy demonstrates superior results for T1b glottic cancer.
- Treatment strategy for T2 glottic cancer remains uncertain.