Table 1.
Patient characteristics of all patients.
Fig 1.
DARS delineation on static MRI according to Christianen et al.
Overview of the eight OARs relevant for swallowing in sagittal MRI-slice (superior pharyngeal constrictor muscle (red), middle pharyngeal constrictor muscle (light blue), inferior pharyngeal constrictor muscle (yellow), crico-pharyngeal muscle (dark blue), proximal part of esophagus (dark green), posterior one third of the tongue and floor of mouth–base of tongue (orange), supraglottic larynx (purple) und transglottic larynx (light green).
Table 2.
Information concerning treatment of all patients in the retrospective cohort.
Table 3.
Patient characteristics of the five patients of the prospective cohort (SCC–squamous cell carcinoma, ECE- extracapsular extension of lymph nodes, VMAT–volumetric modulated arc therapy, MV–megavolt, SQB–sequential boost, SIB–simultaneous integrated boost, qd7 –repetition every seven days).
Table 4.
Binary logistic regression for influence of total dose (OAR) on development of dysphagia within the first 6 months and 6 to 12 months after the end of RT.
Table 5.
Results of FEES investigation.
Fig 2.
Results of EORTC QLQ H&N35 questionnaire (results given in % of patients reporting these symptoms).
Table 6.
Summary of results of the prospective investigations.