Survival Outcomes in Patients with T2N0M0 (Stage II) Squamous Cell Carcinoma of the Larynx

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Abstract

Objective

Emerging data have demonstrated suboptimal outcomes among patients with stage II larynx cancer. Our objective is to report survival outcomes for T2N0M0 larynx cancer and to determine the cause-specific survival.

Study Design

Case series with planned data collection.

Setting

Tertiary academic center.

Subjects

Adults with T2N0M0 squamous cell carcinoma of the larynx treated with curative intent.

Methods

A head and neck cancer epidemiology database was queried for eligible subjects from 2003 to 2014. Data were extracted from the electronic medical record and research database, and survival analyses were performed.

Results

Thirty-four patients with previously untreated stage II larynx cancer were identified (median follow-up 48 months). Patients included 27 males and 7 females with a mean age of 59 years. The majority of tumors arose from the glottis (59%). Of the cohort, 12% were treated with surgery, 65% radiation therapy, and 24% chemoradiation therapy. The estimated 2-year overall survival was 81%, (95% confidence interval [CI], 59%-92%), disease-specific survival was 91% (95% CI, 69%-98%), and recurrence-free survival was 84% (95% CI, 65%-93%). Four of 5 patients with persistent or recurrent disease posttreatment were successfully salvaged with total laryngectomy with 100% locoregional control. There were 11 mortalities (2 disease related, 2 due to metachronous primaries, 3 treatment related, and 4 from other/unknown causes).

Conclusion

Stage II laryngeal cancer has suboptimal survival outcomes. This appears to be a reflection of medical comorbidities, propensity for metachronous primaries, and the sequelae of late treatment effects rather than poor locoregional control.

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