Subject: CMULTIS005-1
Segment: LowerLeg
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		9.50		54.7633, 198.8644, 533.4175
	T2		9.60		-13.7727, 199.0077, 502.4832
	T3		9.80		-33.5107, 157.6359, 531.5332
	T4		9.59		6.3748, 208.5920, 390.1262
	T5		9.54		0.6169, 208.3929, 242.5792
	T6		9.59		-35.3083, 189.1312, 220.0048

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		75.19
	T1		T3		97.45
	T1		T4		151.55
	T1		T5		295.99
	T1		T6		326.24
	T2		T3		54.27
	T2		T4		114.55
	T2		T5		260.47
	T2		T6		283.47
	T3		T4		155.51
	T3		T5		295.36
	T3		T6		313.12
	T4		T5		147.66
	T4		T6		176.23
	T5		T6		46.60

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		8.13		55.5479, 198.8384, 534.7828
	T2		8.37		-14.1131, 198.9720, 502.0058
	T3		8.26		-33.7565, 157.6148, 532.4121
	T4		7.92		6.3982, 208.4251, 390.1323
	T5		8.21		0.3599, 208.8837, 241.3773
	T6		7.84		-35.2730, 188.8902, 219.4339

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		76.99
	T1		T3		98.39
	T1		T4		153.07
	T1		T5		298.72
	T1		T6		328.32
	T2		T3		54.96
	T2		T4		114.13
	T2		T5		261.22
	T2		T6		283.54
	T3		T4		156.33
	T3		T5		297.48
	T3		T6		314.54
	T4		T5		148.88
	T4		T6		176.79
	T5		T6		46.38

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
T1		T2		-1.79 mm [-2.38 %]		0.91
T1		T3		-0.94 mm [-0.97 %]		0.37
T1		T4		-1.52 mm [-1.00 %]		0.14
T1		T5		-2.73 mm [-0.92 %]		0.13
T1		T6		-2.07 mm [-0.64 %]		0.04
T2		T3		-0.69 mm [-1.28 %]		1.23
T2		T4		0.42 mm [0.37 %]		0.23
T2		T5		-0.75 mm [-0.29 %]		0.11
T2		T6		-0.07 mm [-0.03 %]		0.09
T3		T4		-0.82 mm [-0.52 %]		0.16
T3		T5		-2.12 mm [-0.72 %]		0.06
T3		T6		-1.42 mm [-0.45 %]		0.08
T4		T5		-1.22 mm [-0.83 %]		0.27
T4		T6		-0.56 mm [-0.32 %]		0.05
T5		T6		0.22 mm [0.47 %]		1.21

Average 			1.16 mm [0.75 %]		0.34
Maximum 			2.73 mm [2.38 %]		1.23