Subject: CMULTIS011-1
Segment: LowerLeg
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		9.50		50.5230, 206.1779, 961.3462
	T2		9.57		-18.9021, 220.5033, 942.9458
	T3		9.60		-37.4921, 183.8234, 945.6504
	T4		9.53		9.9430, 224.6623, 699.2297
	T5		9.45		9.1417, 231.7249, 582.5159

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		73.24
	T1		T3		92.16
	T1		T4		265.88
	T1		T5		381.94
	T2		T3		41.21
	T2		T4		245.45
	T2		T5		361.69
	T3		T4		254.25
	T3		T5		369.24
	T4		T5		116.93

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		8.83		51.6966, 206.2438, 961.9185
	T2		8.85		-19.3819, 220.3329, 942.6305
	T3		8.58		-38.1846, 183.8388, 945.3625
	T4		8.84		10.1661, 224.9288, 699.5784
	T5		8.89		8.9173, 231.5475, 582.1981

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		74.98
	T1		T3		94.10
	T1		T4		266.26
	T1		T5		382.96
	T2		T3		41.14
	T2		T4		244.88
	T2		T5		361.72
	T3		T4		253.84
	T3		T5		369.30
	T4		T5		117.57

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
T1		T2		-1.75 mm [-2.39 %]		0.56
T1		T3		-1.94 mm [-2.11 %]		0.41
T1		T4		-0.38 mm [-0.14 %]		0.20
T1		T5		-1.02 mm [-0.27 %]		0.20
T2		T3		0.07 mm [0.16 %]		0.38
T2		T4		0.57 mm [0.23 %]		0.21
T2		T5		-0.02 mm [-0.01 %]		0.04
T3		T4		0.40 mm [0.16 %]		0.24
T3		T5		-0.06 mm [-0.02 %]		0.08
T4		T5		-0.64 mm [-0.55 %]		0.32

Average 			0.69 mm [0.60 %]		0.26
Maximum 			1.94 mm [2.39 %]		0.56