TABLE 2

Correlations of 18F-FET Uptake and 1H MRSI Metabolite Data

R for:
Area of 18F-FET uptakeChoCrtNAACho/tNAA
Maximum0.475−0.064−0.557*0.945
Strong0.4920.464−0.4040.811
Moderate0.1640.471−0.4820.531*
Low0.0720.626*−0.0890.095
CNB−0.134−0.2900.384−0.329
All tumor areas0.501−0.022−0.8800.891
Tumors of following WHO grade§ (no. of subjects):
II (4)0.535*−0.126−0.8710.849
III (6)0.406*0.007−0.8450.851
IV (5)0.7050.036−0.9130.947
  • * P < 0.05.

  • P < 0.001.

  • Correlations for combination of all 4 areas in lesions (maximum to low 18F-FET uptake).

  • § Correlations for all tumor areas in subgroups of patients with WHO grade II, III, and IV gliomas. Patient with gliomatosis cerebri was included in group of patients with glioma of WHO grade III.