Radiation Oncology

Table 1 sRT Organ at Risk Constraints

From: Focal HDR brachytherapy boost to stereotactic radiotherapy (fBTsRT) for prostate cancer: a phase II randomized controlled trial

(Gy)	5 fractions		15 fractions		20 fractions		22 fractions
(Gy)	Major*	Minor**	Major*	Minor**	Major*	Minor**	Major*	Minor**
Rectum
D50%	18	16	37	33	40	36	41	37
D25%	25	23	50	45	54	49	56	51
D15%	28	26	55	50	58	55	63	57
D0.5 cc	40	37	57	56	60	59	65	64
Bladder
D2cc	39	38	39	35	42	38	43	39
D50%	18	16	50	46	55	50	57	52
D25%	24	21	56	52	60	57	64	59
D15%	28	25
Bowel Bag
D200cc	25	24	37	34	40	37	42	38
D3cc	29	26	43	38	47	42	48	43
D0.1 cc	38	34	49	44	54	48	56	50
Femoral heads
D1%	28	22	42	32	46	34	47	35

^*Major: Considered a planning priority (PTV compromised to respect coverage)
^**Minor: Considered achieving without compromising PTV coverage

Back to article page

ISSN: 1748-717X

Contact us

General enquiries: journalsubmissions@springernature.com