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Radiation Oncology
Published in: Radiation Oncology 1/2014

Open Access 01-12-2014 | Research

Risk-adapted partial larynx and/or carotid artery sparing modulated radiation therapy of glottic cancer

Authors: Stefan Janssen, Christoph Glanzmann, Gerhard Huber, Gabriela Studer

Published in: Radiation Oncology | Issue 1/2014

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Abstract

Background

To evaluate outcome in patients with glottic cancer treated with intensity-modulated radiotherapy (IMRT) and to show effectiveness of partial laryngeal- and/or carotid artery sparing in low to intermediate risk tumors.

Study design

Retrospective analysis.

Material and methods

From 01/2004 to 03/2013 77 consecutive patients presenting with glottic cancer were treated in our department with IMRT as definitive treatment. T-stages distributed as follows: T1: n = 17, T2: n = 24, T3: n = 15, T4: n = 13 and recurrences: 8 patients. Concomitant systemic therapy was applied in 39 patients consisting of either cisplatin or cetuximab.

Results

Mean/median follow-up (FU) time was 32.2/28 months (range: 4–98.7). Three year local control (LC), ultimate LRC and laryngectomy free survival rate was 77%, 92% and 80%, respectively. Three year overall survival of the entire cohort was 81%. Three year local control for T1/T2, T3/T4, and recurred tumors was 95%, 65%, and 38%, respectively. Three year overall survival was 86% for T1-4 stages, 55% for recurred disease, respectively. Partial laryngeal/carotid artery sparing was performed in all T1 patients (n = 17) and 17/22 T2N0 patients. Rate of late sequels was low.

Conclusion

IMRT for glottic cancer shows high control rates. In low to intermediate risk tumors an individualized treatment volume with partial larynx +/- carotid artery sparing is effective and holds the potential to reduce long term toxicity. The therapeutic outcome was not compromised.
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Metadata
Title
Risk-adapted partial larynx and/or carotid artery sparing modulated radiation therapy of glottic cancer
Authors
Stefan Janssen
Christoph Glanzmann
Gerhard Huber
Gabriela Studer
Publication date
01-12-2014
Publisher
BioMed Central
Published in
Radiation Oncology / Issue 1/2014
Electronic ISSN: 1748-717X
DOI
https://doi.org/10.1186/1748-717X-9-136

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