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Table 2 Radiation dose details and acute toxicities

From: Encouraging early outcomes with image guided pencil beam proton therapy for cranio-spinal irradiation: first report from India

 

CSI (Total)

CSI (> 14 years)

CSI (< 14 years)

n

40 (100%)

9 (22.5%)

31 (77.5%)

PTV CSI D95 (Avg)

97.4%

99.2%

96.6%

CTV CSI D98 (Avg)

98.6%

99.1%

97.2%

Lens (D max) Avg

2.96 Gy (1.76%)

2.96 Gy (1.76%)

2.96 Gy (1.76%)

Cornea (D Mean) Avg

1.68 Gy (1.34%)

1.68 Gy (1.34%)

1.68 Gy (1.34%)

Cochlea (D Max) Avg

27.3 Gy (93.5%)

27.3 Gy (93.5%)

27.3 Gy (93.5%)

Parotids (D mean) Avg

10.67 Gy (4.63%)

0.44 Gy (0.01%)

12.6 (37%)

Esophagus (D Max) Avg

20.31 Gy (61.6%)

0.00 (0)

27.7 Gy (84%)

Lung (D mean) Avg

0.65 Gy (0.01%)

1.85 Gy (0.07%)

3.22 Gy (0.09%)

Kidney (D mean) Avg

1.85 Gy (0.08%)

2.05 Gy (0.09%)

7.78 Gy (0.23%)

Heart (D mean) Avg

0

0

0

Bowel Bag (D mean) Avg

0.18 Gy (0.007%)

0.01 Gy (0)

0.21 Gy (0.006%)

Liver (D mean) Avg

0

0

0

Gonads (D mean) Avg

0

0

0

Dermatitis

 Grade 1

 Grade 2

 Grade 3

20 (50%)

20 (50%)

0

4 (44.4%)

5 (56.6%)

0

17 (54.8%)

14 (45.2%)

0

Mucositis

 Grade 1

 Grade 2

 Grade 3

8 (20%)

2 (5%)

1 (2.5%)

1 (11.1%)

1 (11.1%)

0

7 (22.5%)

2 (6.5%)

1 (3.2%)

Weight loss

 Grade 1

 Grade 2

3 (7.5%)

0

0

0

3 (9.6%)

0

Nausea

 Grade 1

 Grade 2

6 (15%)

0

0

0

6 (19.4%)

0

Anorexia

 Grade 1

 Grade 2

7 (17.5%)

0

1 (11.1%)

0

6 (19.4%)

0

Hospital admissions during treatment

5 (12.5%)

Nil

5 (16.1%)

Average hospital stay = 2.4 days

Treatment gap during treatment

3 (7.5%)

Nil

3 (9.6%)

 

Average treatment gap = 2 days