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Table 2 Index parameters of the treatment plan

From: A Japanese prospective multi-institutional feasibility study on accelerated partial breast irradiation using interstitial brachytherapy: treatment planning and quality assurance

Variable

Mean ± SD (Range)

Vref (cm3)

117 ± 56 (40 – 282)

DNR

0.30 ± 0.05 (0.22 – 0.51)

Clip dose (cGy)

784 ± 224 (469 – 3146)

Max skin dose (cGy)

521 ± 73 (223 – 607)

CTV V1.5ref (cm3)

39 ± 18 (12 – 98)

CTV V2.0ref (cm3)

15 ± 9 (5 – 58)

CTV V100 (cm3)

63 ± 27 (25 –129)

CTV V90 (cm3)

63 ± 28 (26 – 131)

CTV D100 (cGy)

565 ± 125 (146 – 624)

CTV D90 (cGy)

680 ± 97 (225 – 731)

CTV Mean dose (cGy)

927 ± 80 (760 – 1092)

Conformity Index

2.07 ± 0.84 (1.07 – 4.45)