What question did this study set out to answer?

The study aimed to analyze treatment outcomes and prognosis of subglottic cancer compared to other laryngeal cancers.

May 24, 2026Oral OncologyOpen Access

Treatment and prognosis of subglottic cancers: a 10-year, multicenter, retrospective study in northern Japan

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Retrospective study reveals poorer prognosis for subglottic cancer in laryngeal cancer population, suggesting need for improved treatment strategies.

The study aimed to analyze treatment outcomes and prognosis of subglottic cancer compared to other laryngeal cancers.
Identified 66 subglottic cancer patients from 1763 laryngeal cancer patients treated at 13 hospitals in northern Japan.
Analyzed patients' characteristics, treatment modalities, recurrence patterns, and prognosis indicators including DFS, OS, DSS, and LPS.
Compared outcomes for subglottic cancer to glottic and supraglottic cancers based on initial treatment.
Subglottic cancer had more advanced T status and higher total laryngectomy and recurrence rates compared to glottic and supraglottic cancers.
Poor DFS, OS, DSS, and LPS were observed especially in stage III-IV subglottic cancer cases.
Chemo or radiotherapy was effective for T1-2 disease, while T3-4 cases had high local recurrence, with total laryngectomy showing good local control but increased nodal recurrence and distant metastasis.

Ohkoshi et al. (2026) studied this question.

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Retrospective study reveals poorer prognosis for subglottic cancer in laryngeal cancer population, suggesting need for improved treatment strategies.