Predicted risks of radiogenic cardiac toxicity in two pediatric patients undergoing photon or proton radiotherapy

Radiation Oncology

Table 3 Mean organ doses (Gy) and equivalent doses (Sv) to heart and substructures from proton and photon plans for the pediatric MB patient and HD patient

Patient	Structure	Proton therapy dose (Gy)		Proton therapy dose (Sv)			Photon therapy dose (Gy)	Photon therapy dose (Sv)
		Primary	Stray	Primary	Stray	Total
	Pericardium	0.55	0.032	0.61	0.26	0.87	10.59	10.59
MB	Myocardium	0.13	0.033	0.14	0.26	0.40	11.72	11.72
	Whole heart	0.19	0.032	0.21	0.26	0.47	12.31	12.31
	Pericardium	11.15	0.081	12.27	0.69	12.96	14.26	14.26
HD	Myocardium	9.05	0.077	9.95	0.65	10.60	12.23	12.23
	Whole heart	8.90	0.078	9.79	0.66	10.45	12.28	12.28

ISSN: 1748-717X