Gliomatosis cerebri other imaging findings: Difference between revisions
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==Other Imaging Findings== | ==Other Imaging Findings== | ||
Other imaging studies for gliomatosis cerebri include [[In vivo magnetic resonance spectroscopy|MR spectroscopy]] (elevated [[choline]]/[[creatine]] ratio, [[choline]]/[[N-Acetylaspartic acid|NAA]] ratio, and [[myo-inositol|myoinositol]]), [[perfusion weighted imaging|MR perfusion]] (low/normal relative cerebral blood flow), [[PET scan]] (markedly decreased accumulation of [[Florbetapir (18F)|[18F]-fluorodeoxyglucose)]], and [[bone scan]] (metastasis to bones).<ref name=aaa>Radiographic features of gliomatosis cerebri. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/gliomatosis-cerebri</ref> | Other imaging studies for gliomatosis cerebri include [[In vivo magnetic resonance spectroscopy|MR spectroscopy]] (elevated [[choline]]/[[creatine]] ratio, [[choline]]/[[N-Acetylaspartic acid|NAA]] ratio, and [[myo-inositol|myoinositol]]), [[perfusion weighted imaging|MR perfusion]] (low/normal relative cerebral blood flow), [[PET scan]] (markedly decreased accumulation of [[Florbetapir (18F)|[18F]-fluorodeoxyglucose)]], and [[bone scan]] (metastasis to bones).<ref name=aaa>Radiographic features of gliomatosis cerebri. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/gliomatosis-cerebri</ref> | ||
===1. MR Spectroscopy=== | ===1. MR Spectroscopy=== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Other imaging studies for gliomatosis cerebri include MR spectroscopy (elevated choline/creatine ratio, choline/NAA ratio, and myoinositol), MR perfusion (low/normal relative cerebral blood flow), PET scan (markedly decreased accumulation of [18F]-fluorodeoxyglucose), and bone scan (metastasis to bones).[1]
Other Imaging Findings
Other imaging studies for gliomatosis cerebri include MR spectroscopy (elevated choline/creatine ratio, choline/NAA ratio, and myoinositol), MR perfusion (low/normal relative cerebral blood flow), PET scan (markedly decreased accumulation of [18F]-fluorodeoxyglucose), and bone scan (metastasis to bones).[1]
1. MR Spectroscopy
Other imaging studies for gliomatosis cerebri include MR spectroscopy. Common findings are described below:[1]
- Elevated choline/creatine ratio
- Elevated choline/NAA ratio
- Marked elevation of myoinositol
2. MR Perfusion
Other imaging studies for gliomatosis cerebri include MR perfusion. Common findings are described below:[1]
- Low/normal relative cerebral blood flow (no vascular hyperplasia)
3. PET
Other imaging studies for high-grade gliomas include PET scan, which demonstrates markedly decreased accumulation of [18F]-fluorodeoxyglucose) (glucose hypometabolism).[1]
4. Bone Scan
Bone scan may be performed to detect metastases of gliomatosis cerebri to bones.
References