The Scientific World Journal

Research Article

Spectroscopic Evaluation of Glioma Grading at 3T: The Combined Role of Short and Long TE

Table 2

Mean values and standard deviation of cNA metabolic ratios for short TE (TE = 35 msec) and long TE (144 msec).
 cNA 
 NAA/CrCho/CrmI/CrCho/NAA
Short TE (35 msec)    
 Low grade gliomas 1 . 6 0 ± 0 . 1 8 0 . 8 1 ± 0 . 1 4 0 . 5 7 ± 0 . 0 5 0 . 5 2 ± 0 . 1 2
 High grade gliomas 1 . 5 5 ± 0 . 2 4 0 . 9 6 ± 0 . 2 7 0 . 6 2 ± 0 . 1 3 0 . 6 4 ± 0 . 3 4
Long TE (144 msec)    
 Low grade gliomas 1 . 9 1 ± 0 . 4 9 1 . 1 6 ± 0 . 3 0 0 . 1 7 ± 0 . 0 5 0 . 6 3 ± 0 . 2 0
 High grade gliomas 1 . 7 3 ± 0 . 4 8 1 . 3 4 ± 0 . 3 7 0 . 1 8 ± 0 . 0 8 0 . 8 7 ± 0 . 5 0