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



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		9.77		-18.9212, 233.1670, 734.1548
	H2		9.74		13.9910, 200.8355, 711.5115
	H3		9.69		-36.7045, 221.7119, 720.4675
	H4		9.77		-45.7330, 144.5133, 472.7031

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		51.39
	H1		H3		25.20
	H1		H4		277.37
	H2		H3		55.55
	H2		H4		252.52
	H3		H4		259.67

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		8.12		-18.7834, 233.3073, 735.1034
	H2		8.33		14.3538, 200.7824, 711.5370
	H3		8.07		-37.1023, 221.8615, 720.1505
	H4		8.27		-45.8357, 144.2765, 472.0459

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		52.07
	H1		H3		26.27
	H1		H4		279.03
	H2		H3		56.27
	H2		H4		253.32
	H3		H4		260.10

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
H1		H2		-0.68 mm [-1.32 %]		0.77
H1		H3		-1.08 mm [-4.27 %]		1.90
H1		H4		-1.66 mm [-0.60 %]		0.04
H2		H3		-0.72 mm [-1.29 %]		0.48
H2		H4		-0.80 mm [-0.32 %]		0.06
H3		H4		-0.43 mm [-0.17 %]		0.09

Average 			0.89 mm [1.33 %]		0.56
Maximum 			1.66 mm [4.27 %]		1.90