MRS Imaging as Complement to MRI in the Post-treatment Follow-up of Glial Brain Tumors.

Background/aim: Central nervous system tumors have a very low incidence worldwide. However, they represent a significant cause of mortality and morbidity. Magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS) and magnetic resonance spectroscopy imaging (MRSI) techniques provide metabolic information complementary to anatomical alterations.