Article ID Journal Published Year Pages File Type
3041350 Clinical Neurology and Neurosurgery 2011 6 Pages PDF
Abstract

Primary brain tumors (PBT), in particular gliomas, are among the most difficult neoplasms to treat, necessitating good quality imaging to guide clinicians at many junctures. Current imaging modalities, including [18F] fluorodeoxyglucose (FDG) PET/CT, MRI and MR spectroscopy (MRS), have various limitations, particularly with regard to differentiating tumor from radiation induced necrosis (RIN) and from normal cerebral metabolic uptake. [18F] fluorocholine (FCH) is an analog of choline with potentially optimal imaging characteristics, as pharmacokinetic studies with FCH conducted in patients showed minimal FCH uptake by normal brain parenchyma, whereas high-grade tumors are known to have increased choline uptake. We present two cases of our early experience with FCH PET/CT for patients with PBT and discuss the potential use and comparative limitations of this imaging modality.

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