Metabolism of human gliomas: assessment with H-1 MR spectroscopy and F-18 fluorodeoxyglucose PET.

摘要: Localized hydrogen-1 magnetic resonance (MR) spectroscopy and fluorine-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) were employed to obtain metabolic information from intracranial gliomas. Advantages difficulties associated with comparison of results the two modalities realized. Forty patients studied H-1 MR spectroscopy. signal intensities lactate, N-acetylaspartate (NAA), choline, creatine a volume interest containing tumor contralateral obtained evaluated. NAA generally decreased in spectra, choline elevated. was unsuccessful eight patients, FDG PET scans not four successful spectroscopic examinations. Lactate intensity detected 10 28 who had studies. observed lesions shown at ...