Assessing cumulative dose distributions in combined radiotherapy for cervical cancer using deformable image registration with pre-imaging preparations

Table 1 Volume of the original contour and deformed contour and the results of dice similarity coefficient (HR-CTV)

		Original contour (cm³)	Deformed contour (cm³)	Original contour ⋂ deformed contour (cm³)	DSC by DIR	DSC by rigid fusion
Case1	DIR1	25.4	29.9	25.4	0.79	0.70
	DIR2	-	20.5	16.4	0.71	0.49
	DIR3	-	20.0	16.6	0.73	0.57
	Mean				0.75	0.59
Case2	DIR1	17.8	20.6	15.3	0.80	0.35
	DIR2		18.0	13.4	0.75	0.69
	DIR3		18.1	13.4	0.75	0.14
	Mean				0.76	0.39
Case3	DIR1	40.0	48.7	36.5	0.82	0.25
Case3	DIR2		32.8	26.8	0.73	0.46
	DIR3		33.7	27.7	0.75	0.30
	Mean				0.77	0.34
Case4	DIR1	18.1	21.4	16.5	0.83	0.66
	DIR2	-	13.1	10.9	0.70	0.48
	DIR3	-	17.6	12.5	0.70	0.42
	Mean				0.74	0.52
Case5	DIR1	27.5	24.0	20.8	0.85	0.47
	DIR2	-	27.5	21.8	0.83	0.53
	DIR3	-	24.8	21.7	0.88	0.43
	Mean				0.86	0.48
Total	Mean ± SD				0.78 ± 0.06	0.46 ± 0.16 p <0.05

ISSN: 1748-717X