Subject: CMULTIS006-1
Segment: UpperArm
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		9.26		34.6439, 227.6245, -43.4171
	H2		9.48		54.8861, 196.8793, -98.7032
	H3		9.24		7.2967, 222.7471, -70.7788
	H4		9.38		4.8782, 169.9376, -314.4972

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		66.42
	H1		H3		38.99
	H1		H4		278.74
	H2		H3		60.94
	H2		H4		223.15
	H3		H4		249.39

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		8.42		34.7699, 227.8358, -42.3151
	H2		7.95		55.2140, 196.7784, -98.6043
	H3		8.27		7.0207, 222.8653, -70.8154
	H4		8.28		4.7003, 169.7091, -315.6614

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		67.46
	H1		H3		40.09
	H1		H4		281.07
	H2		H3		61.44
	H2		H4		224.50
	H3		H4		250.56

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
H1		H2		-1.04 mm [-1.57 %]		0.21
H1		H3		-1.10 mm [-2.81 %]		0.75
H1		H4		-2.33 mm [-0.83 %]		0.01
H2		H3		-0.50 mm [-0.83 %]		0.39
H2		H4		-1.35 mm [-0.61 %]		0.05
H3		H4		-1.17 mm [-0.47 %]		0.03

Average 			1.25 mm [1.19 %]		0.24
Maximum 			2.33 mm [2.81 %]		0.75