期刊
CLINICAL NUCLEAR MEDICINE
卷 25, 期 4, 页码 279-280出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00003072-200004000-00008
关键词
F-18 fluorodeoxyglucose; marrow; magnetic resonance imaging; positron emission tomography; radiation; vertebral body
Purpose: The authors examined the delayed effects of external beam radiation on the metabolism of intravertebral marrow cavities. Materials and Methods: Two neurologically normal persons who had completed a full course of external beam radiotherapy for squamous cell carcinoma of the head and neck had positron emission tomography (PET) scans with F-18 fluorodeoxyglucose (FDG) to identify residual neoplasm. Results: Abnormally low uptake of F-18 FDG was noted within the central marrow cavities of the cervical vertebral bodies in both cases. Conclusions: Diminished metabolic activity within irradiated marrow can be revealed by F-18 FDG PET imaging techniques. Further correlative MRI PET studies are needed to determine if this postradiation phenomenon is related to fatty infiltration of the marrow cavity.
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