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The Aggressiveness and Extent of Meningioma Imaged by Combined Fluorine-18 FDG and Positron Emission Tomography
A 52-year-old woman with recurrent left cavernous sinus meningioma had undergone partial resection 5 years earlier. She had progressive symptomatic enlargement of the residual tumor and was considering further resection and radiotherapy. Results of the initial fluorine-18 fluorodeoxyglucose positron...
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Published in: | Clinical nuclear medicine 2000-09, Vol.25 (9), p.736-736 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | A 52-year-old woman with recurrent left cavernous sinus meningioma had undergone partial resection 5 years earlier. She had progressive symptomatic enlargement of the residual tumor and was considering further resection and radiotherapy. Results of the initial fluorine-18 fluorodeoxyglucose positron emission tomograph (F-18 FDG PET) obtained to judge tumor aggressiveness was negative, suggesting low-grade tumor. Sodium fluoride ion (F) was subsequently injected with a dose equal to the calculated residual F-18 FDG in the body. The combined F-18 FDG/F scan, performed 1 hour after F ion injection, revealed intense uptake by the deposition of F ion in the calcified tumor against background activity of F-18 FDG. This combined imaging protocol not only ensures exact coregistration of F and F-18 FDG but also increases the sensitivity for detecting recurrent tumor with low metabolism by the ubiquitous presence of calcification in this tumor. The combined protocol would be useful to show the extent and aggressiveness of this disease as it measures tumor metabolism and calcification. |
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ISSN: | 0363-9762 1536-0229 |
DOI: | 10.1097/00003072-200009000-00023 |