Abstract
The prognosis of glottic T1a laryngeal squamous cell carcinoma (LSCC) is excellent with both transoral laser surgery (TLS) and radiation therapy (RT). Our aim was to compare TLS and RT treatment results in a randomized study. Of 56 male patients with glottic T1a LSCC, 31 were randomized for TLS and 25 for RT. Survival and larynx preservation data were collected from medical records. Five-year overall survival (OS) was 87%, disease-specific survival (DSS) was 97%, and recurrence-free survival (RFS) was 81% in patients treated with TLS. Five-year OS was 92%, DSS was 100%, and RFS was 88% in patients treated with RT. The primary treatment method was not associated with OS, RFS, or DSS in a log-rank test. The larynx preservation rate was similar in both groups (TLS, 97%; RT, 92%; P=.575). In a prospective randomized setting oncological outcomes of both treatment modalities (TLS or RT) for T1a LSCC were similar.
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