Relaxation time constants used in metabolite quantification

VariableT1 Time Constant, msT2 Time Constant, msReference
Gray matter–water13619330, 31
White matter–water81410230, 31
Low-grade glioma–water8141756, 31
NAA163040132, 33
Cr172027332, 33
Cho129033032, 33
Other metabolites155033519

  • Note:—NAA indicates N-acetylaspartate; Cr, creatine; Cho, choline.