IMRT

Validation of QUANTEC guidelines for disphagia • Anderson NJ et al, Acta Oncologica 2014 • 76 pts, advanced squamous cell ca, • QUANTEC larynx recommendations: V50< 27 Gy, D mean < 44 Gy • Acute disphagia toxicity, weekly measurements, prospectively scoring • Only V50<27 Gy, Dmean>40 Gy, Dmax<66Gy predicted for grade 3 disphagia – no clinical risk factors significantly predicted for gr. 3 disphagia • Usefulness of QUANTEC criteria in predicting acute toxicity