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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