Subject: CMULTIS012-1
Segment: UpperArm
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		9.29		-4.6666, 248.8234, 1276.4824
	H2		9.34		23.4846, 217.8857, 1234.3303
	H3		9.41		-21.8870, 230.6881, 1238.3978
	H4		9.47		11.8448, 150.5969, 955.9629

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		59.38
	H1		H3		45.56
	H1		H4		335.64
	H2		H3		47.32
	H2		H4		286.62
	H3		H4		295.50

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		8.63		-4.5363, 249.3728, 1277.9934
	H2		8.40		23.7826, 217.7952, 1234.3092
	H3		8.16		-22.4247, 230.6907, 1238.4554
	H4		8.21		11.9542, 150.1355, 954.4154

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		60.89
	H1		H3		47.25
	H1		H4		338.86
	H2		H3		48.15
	H2		H4		288.20
	H3		H4		297.24

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
H1		H2		-1.50 mm [-2.53 %]		0.69
H1		H3		-1.69 mm [-3.70 %]		0.16
H1		H4		-3.22 mm [-0.96 %]		0.03
H2		H3		-0.83 mm [-1.76 %]		0.16
H2		H4		-1.58 mm [-0.55 %]		0.02
H3		H4		-1.73 mm [-0.59 %]		0.09

Average 			1.76 mm [1.68 %]		0.19
Maximum 			3.22 mm [3.70 %]		0.69