. 2021 Apr;10(4):1169–1200. doi: 10.21037/tp-20-445

Table 1. Examples of intracranial tumors with corresponding main characteristic H¹MRS features.

Tumor	Main H¹MRS features
Medulloblastoma	high tCho & Glyc^†; low Cr & NAA^†; high Tau & GAA^‡
Pilocytic astrocytoma	very low Cr^†; high Lac^†
Ependymoma	very low NAA^†; very high m-Ins^‡
IDH-mutant gliomas	high tCho^†; low NAA^†; high Lac^†; 2HG presence^§
DNET	high Lac^†
Choroid plexus papilloma	very low Cr & NAA^†; very high m-Ins^‡
Lymphoma	high tCho^†; very low Cr and NAA^†; high Lip and/or Lac^†
Meningioma	very low Cr^†; NAA absence^‡; high Ala & 3.8 ppm peak (α-CH AAs)^‡

^†, aspecific; ^‡, specific; ^§, pathognomonic finding.

Table 1. Examples of intracranial tumors with corresponding main characteristic H1MRS features.