Objective: This study examined the use of positron emission tomography (PET) ratios to improve the diagnostic ability of 18F-FDG PET/computed tomography (CT) in the differentiation of enhancing brain metastases, central nervous system lymphomas, and gliomas.
Materials And Methods: Seventy-six patients with malignant brain tumors and available magnetic resonance imaging and PET/CT examinations were included.
Results: Among standardized uptake value (SUV)-related parameters tested, tumor maximum SUV to ipsilateral cortex maximum SUV ratio (Tmax:WMimax) and maximum SUV (SUVmax) proved to be the two most valuable parameters for differential diagnosis.
Conclusion: In addition to SUVmax, Tmax:WMimax also seems to provide helpful information for the differential diagnosis of lymphomas from other malignant brain tumors.
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| http://dx.doi.org/10.1016/j.clinimag.2015.07.020 | DOI Listing |
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