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Table 1 Characteristics of 8 patients with brainstem injury

From: A retrospective dosimetry study of intensity-modulated radiotherapy for nasopharyngeal carcinoma: radiation-induced brainstem injury and dose-volume analysis

patient gender age stage Volume of GTVnx (cm3) Lesion
Site Number size grade
1 male 59 T4N0M0 164.6 Junctional portion of pons-oblongata 1 0.5 × 0.7 × 0.8 1
2 male 57 T4N0M0 103.9 The middle portion of pons 2 0.4 × 0.4 × 0.6 0.4 × 0.5 × 0.8 2
3 female 37 T4N2M0 102.3 The middle portion of pons 1 1.0 × 1.6 × 2.2 2
4 female 55 T3N1M0 49.3 The proximal portion of pons 1 1.2 × 1.4 × 1.5 4
5 male 53 T3N3M0 124.9 The proximal portion of pons 2 0.8 × 0.9 × 1.3 0.4 × 0.7 × 1.8 5
6 male 59 T4N1M0 51.8 The top portion of pons 1 1.3 × 1.9 × 0.9 1
7 female 42 T4N1M0 90.2 The top portion of pons 1 1.2 × 0.6 × 1.7 1
8 female 49 T4N1M0 36.5 The top portion of pons 1 1.0 × 0.7 × 0.9 2
  1. GTVnx Gross tumor volume of nasopharyngeal primary lesions and their direct extensions
  2. Abbreviation: GTV Gross tumor volume