Total Body Irradiation (TBI) using Helical Tomotherapy in children and young adults undergoing stem cell transplantation

Table 3 Patients` characteristics

Patient no.	Age at treatment (years)	Diagnosis	Additional risk-factors	Prior radiation treatment	Body length in treatment position (cm)
1	8	ALL	BCR-ABL⁺	/	154
2	4	ALL	BCR-ABL⁺	/	110
3	18	ALL	Non-response day 28 of induction therapy	/	180
4	22	AML in CML	M-BCR-ABL⁺	/	180
5	18	ALL Recurrence	/	/	172
6	7	ALL Recurrence	Biphenotypic leukemia	/	130
7	13	ALL 2nd Recurrence	/	12 Gy Whole Brain; 24 Gy Scrotum	164
8	14	ALL Recurrence	/	/	172
9	9	ALL Recurrence	/	12 Gy Whole Brain	158
10	12	ALL Recurrence	/	18 Gy Whole Brain	152

Patient age ranged from 4–22 years. Most of the patients presented with ALL (acute lymphoblastic leukemia) in first or second remission, one patient presented with an acute blast crisis (AML: acute myeloic leukemia) in a CML (chronic myeloic leukemia) Risk factors such as positivity for the bcr-abl gene fusion product were seen in some case, two patients had had prior radiation therapy. Body length in treatment position (supine, feet outstretched) ranged from 110–180 cm.

ISSN: 1748-717X