On MR-spectroscope, at 3.2ppm which peak is seen?
Lipid lactate
N-acetyl aspaate
Creatinine
Choline
MR Spectroscopy compares the chemical composition of normal brain tissue with abnormal tumor tissue. Lipid lactate peak is seen at 1.33 ppm NAA peak is seen at 2 ppm Creatine at 3 ppm Choline at 3.2 ppm Figure: Choline peak at 3.2 ppm - primary CNS lymphoma
Magnetic Resonance Imaging