Glottic cancer involving anterior commissure: Surgery vs radiotherapy

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Abstract
A retrospective review of 182 patients with glottic cancer involving the anterior commissure (AC) is presented. Of these, 123 patients were first treated with conservative surgery and 59 underwent radiotherapy. Patients were staged according to the AJCC system and by the modality of neoplastic involvement of AC (pure AC cancer, glottic cancer involving AC up to the midline, and beyond the midline). Our results indicate a higher rate of local control and of specific-disease survival in the group of patients first treated with surgery than those treated with radiotherapy (86% vs 74% and 97.5% vs 84%, respectively) (p < 0.05). For pure AC cancers, our results show better local control with primary radiotherapy than with conservation surgery (82% vs 76.5%), but surgical failures have been more successfully salvaged than have radiotherapy recurrences (ultimate local control, 97.5% vs 82%, respectively). These data suggest that the treatment of choice for AC cancers is conservation surgery, particularly frontolateral laryngectomy.