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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: J Magn Reson Imaging. 2010 Aug;32(2):446–451. doi: 10.1002/jmri.22191

Table 2.

Summary of results

Sodium Imaging
Field Sodium resolution (mm3) Number of subjects Subjects age range (years old) Sodium SNR (Meas./Norm) Standard deviation
7 T 1.3×1.3×4.0
1.0×1.0×2.0		 5 (3 females, 2 males)
7 (3 females, 4 males)		 30–37 (avg. 35)
23–36 (avg. 28)		 15.5/27.1
9.4/16.5		 1.0
0.6
3 T 1.3×1.3×4.0
1.0×1.0×2.0		 7 (3 females, 4 males)
10 (6 females, 4 males)		 23–55 (avg. 38)
22–66 (avg. 37)		 11.3
7.3		 0.3
0.6
Sodium T2* Measurements
Field Number of subjects Subjects age range (years old) T2* (msec) Standard deviation(msec)
Bulk T2* from FID 7 T
3 T		 4 (4 females)
4 (4 females)		 23–36 (avg. 30)
23–36 (avg. 30)		 9.8
10.6		 0.7
0.8
Avg. T2* in cartilage 7 T
3 T		 7(5females, 2 males)
7 (3 females, 4 males)		 26–37 (avg. 32)
23–36 (avg. 28)		 13.2
15.5		 1.5
1.3
T2* mapping 7 T
3 T		 7 (5 females, 2 males)
7 (3 females, 4 males)		 26–37 (avg. 32)
23–36 (avg. 28)		 8.5–20 -