This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Magnetic Resonance Imaging, Subject name: Radiology
In which of the following, alanine peak is seen on MR Spectroscopy ? 
Select and explain. 
A. Tuberculoma, B. Tumors, C. Canavans disease, D. Meningioma
D: Meningioma
Answer: D: Meningioma 
Explanation: Alanine Peak on MRS is seen at 1.4 ppm in Meningioma Meningiomas also show choline peak at 3.2 ppm. Glutamate-glutamine (Glx, peak at 2.1-2.6 ppm) and Glutathione (GSH, peak at 2.95 ppm) may be more specific potential markers in meningioma. Figure: Alanine peak in Meningioma