Clinical Application of Magnetic Resonance Spectroscopy in Diagnosis of Intracranial Mass Lesions

Figure 6

(a) TE 31 msec. (b) TE 144 msec. MRS was performed to differentiate between high-grade and low-grade glioma. The lesion was diagnosed as a low-grade glioma. NAA is depressed. Choline is moderately elevated. Cho : Cr is 1.67, and Cho : NAA is 1.90. Increased myo-inositol is also seen at TE31.

(a)

(b)