Subject: CMULTIS010-1
Segment: UpperLeg
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		9.28		-27.0592, 249.6570, -52.4138
	F2		9.44		-7.2759, 236.5904, -76.9680
	F3		9.36		-49.1027, 242.9924, -87.2729
	F4		9.41		46.3783, 183.8695, -443.6806
	F5		9.77		31.1163, 198.2577, -408.6547
	F6		9.41		-45.0753, 204.0196, -436.1199

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		34.13
	F1		F3		41.78
	F1		F4		403.50
	F1		F5		364.60
	F1		F6		386.83
	F2		F3		43.55
	F2		F4		374.35
	F2		F5		336.09
	F2		F6		362.60
	F3		F4		373.68
	F3		F5		334.25
	F3		F6		351.04
	F4		F5		40.83
	F4		F6		93.95
	F5		F6		81.20

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		8.13		-27.0848, 249.9339, -50.9637
	F2		8.27		-7.0995, 236.7591, -76.7379
	F3		8.11		-49.5479, 242.8602, -86.6937
	F4		8.40		46.9171, 183.6494, -444.4407
	F5		8.30		31.2856, 198.0428, -409.4976
	F6		8.15		-45.4889, 204.1414, -436.7764

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		35.18
	F1		F3		42.79
	F1		F4		405.83
	F1		F5		366.94
	F1		F6		388.96
	F2		F3		44.03
	F2		F4		375.42
	F2		F5		337.20
	F2		F6		363.55
	F3		F4		375.23
	F3		F5		335.78
	F3		F6		352.24
	F4		F5		40.90
	F4		F6		94.96
	F5		F6		81.70

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
F1		F2		-1.04 mm [-3.06 %]		1.11
F1		F3		-1.01 mm [-2.43 %]		0.37
F1		F4		-2.33 mm [-0.58 %]		0.03
F1		F5		-2.34 mm [-0.64 %]		0.04
F1		F6		-2.13 mm [-0.55 %]		0.04
F2		F3		-0.47 mm [-1.09 %]		0.80
F2		F4		-1.08 mm [-0.29 %]		0.05
F2		F5		-1.10 mm [-0.33 %]		0.05
F2		F6		-0.94 mm [-0.26 %]		0.08
F3		F4		-1.54 mm [-0.41 %]		0.10
F3		F5		-1.53 mm [-0.46 %]		0.05
F3		F6		-1.20 mm [-0.34 %]		0.06
F4		F5		-0.07 mm [-0.17 %]		0.52
F4		F6		-1.01 mm [-1.07 %]		0.08
F5		F6		-0.51 mm [-0.63 %]		0.34

Average 			1.22 mm [0.82 %]		0.25
Maximum 			2.34 mm [3.06 %]		1.11