Page 103 - Organ motion in children for high-precision radiotherapy - Sophie Huijskens

Table 6.1 | Characteristics of included patients Children
N = 45
(%)
(62) (38)
(13) (27) (60)
(44) (36) (9) (4) (7)
(44) (40) (16)
(78) (22)
(100)
Adults N = 45 (%)
31 (69) 14 (31)
61 (63; 34-93)
9 (20) 26 (58) 10 (22)
175 (175; 134-203) 71 (69; 52-134)
13 (29) 15 (33) 17 (38)
45 (100)
524
12 (11; 2-30)
45 (100)
45 (100)
Gender Male Female
Age at 1st RT fraction (years) Mean (median; range)
0-5
6-10
11-18 30-49 50-69 ≥70
Height (cm)
Mean (median; range)
Weight (kg)
Mean (median; range)
28 17
11 (11; 2-18) 6
12
27
144 (148; 90-186) 40 (37; 15-81) 20
Type of primary cancer
CNS tumora
Sarcomab 16
Neuroblastoma Renal tumorc Otherd Oesophagus Pancreas Stomach
4 2 3
Radiation Site
(Cranio)spinal 20 Thoracic/Mediastinal 18
Abdominal (incl. flank) Upper abdominal
Total number of CBCTs Mean (median; range) Rotation (degrees)
200
360
Acquisition Parameters
120kV, 10 mA, 10/40 ms
7
480
11 (7; 4-32)
35 10
45
Abbreviations: RT: Radiotherapy, CNS: central nervous system, CBCT: cone beam computed tomography
a Including: anaplastic glioma (n=1), ependymoma (n=1), germinoma pinealis (n=4), medulloblastoma (n=14). b Including: Ewing sarcoma (n=10), rhabdomyosarcoma (n=5), osteosarcoma (n=1).
c Wilms’ tumor (n = 1), clear cell carcinoma (n=1).
d Including: lymphoma (n=2), desmoplastic small round cell tumor (n=1)
100