An Eminence B PET scanner (Shimadzu, Kyoto, Japan) or Biograph-16 PET scanner (Siemens, Bon, Germany) was used for 11C-methionine PET, according to previously reported procedures4 (link), 6 (link). Mean and maximum lesion-to-contralateral normal brain tissue (L/N) ratios were determined by dividing the tumor standardized uptake value by the mean standardized uptake value of the normal contralateral region of the brain, as previously reported4 (link).
Nakajo K., Uda T., Kawashima T., Terakawa Y., Ishibashi K., Tsuyuguchi N., Tanoue Y., Nagahama A., Uda H., Koh S., Sasaki T., Ohata K., Kanemura Y, & Goto T. (2022). Maximum 11C-methionine PET uptake as a prognostic imaging biomarker for newly diagnosed and untreated astrocytic glioma. Scientific Reports, 12, 546.
Type of PET scanner used (Eminence B PET scanner or Biograph-16 PET scanner)
dependent variables
Mean lesion-to-contralateral normal brain tissue (L/N) ratio
Maximum lesion-to-contralateral normal brain tissue (L/N) ratio
control variables
Previously reported procedures described in references 4 and 6
controls
No positive or negative controls were explicitly mentioned in the provided information.
Annotations
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