Accelerated Partial Breast Irradiation (APBI): A review of available techniques

Radiation Oncology

Table 4 Some clinical studies using Intra-operative radiation therapy (IORT).

Author	No of cases	Median follow up interval(months)	Technique	IBF	Good/Excellent cosmesis
Lemanski et al. [131]	42	30	Electrons	4.8%	100%
Veronesi et al.[130]	590	20	Electrons	0.5%	n/a
Mussari et al.[132]	47	48	Electrons	0%	92%
Vaidya et al.[121]	25	24	Photons	0%	n/a
Vaidya et al. [123]	854	48	photons	1.2% (95%CI = 0.53-2.71) ^$	n/a

^$TARGIT phase III trial, at 4 years there 6 local recurrences in the target treated group and 5 in the whole breast treated group, giving the Kaplan-Meier estimates (not crude estimates), n/a not available, IBF = ipsilateral breast failure.

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