PET-fluorodeoxyglucose of cranial and spinal neuromas.
Five patients with eighth nerve, one with ninth nerve and one with cervical neuromas were studied with PET and [18F] fluorodeoxyglucose (FDG). Four of the patients had had surgery prior to the PET study, and six patients had subsequent surgery. All tumors were well-visualized on the PET images. Only one patient with bilateral acoustic neuroma exhibited tumor recurrence or growth after the PET study; these two lesions showed the highest FDG uptakes in the PET studies (tumor-to-cerebellum ratio of 0.93-0.98). All other tumors were relatively hypometabolic (tumor-cerebellum ratios of 0.43-0.65) and showed no tumor growth or recurrence during follow-up periods ranging from 5 to 8 yr. These results suggest that PET-FDG may be of value in the evaluation of cranial and spinal schwannomas.[1]References
- PET-fluorodeoxyglucose of cranial and spinal neuromas. Borbely, K., Fulham, M.J., Brooks, R.A., Di Chiro, G. J. Nucl. Med. (1992) [Pubmed]
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