Gliomatosis cerebri other imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Overview

Other imaging studies for gliomatosis cerebri include MR spectroscopy (decreased NAA/creatine ratio and 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 on F-18 FDG PET, hypermetabolism on C-11 methionine PET, and marked increase in cerebral blood flow on 15(O)-water PET), and bone scan (metastasis to bones).[1][2][3]

Other Imaging Findings

Other imaging studies for gliomatosis cerebri include MR spectroscopy (decreased NAA/creatine ratio and 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 on F-18 FDG PET, hypermetabolism on C-11 methionine PET, and marked increase in cerebral blood flow on 15(O)-water PET), and bone scan (metastasis to bones).[1][2][3]

1. MR Spectroscopy

Other imaging studies for gliomatosis cerebri include MR spectroscopy. Common findings are described below:[1][3]

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 gliomatosis cerebri include PET scan. Common features are described below:[1][2]

4. Bone Scan

  • Most malignant gliomas get metastasized to the bones via the hematogenous spread.[4]
  • Bone scan may be performed to detect metastases of gliomatosis cerebri to bones.

References

  1. 1.0 1.1 1.2 1.3 1.4 Radiographic features of gliomatosis cerebri. Dr Henry Knipe and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/gliomatosis-cerebri
  2. 2.0 2.1 2.2 Rajz GG, Nass D, Talianski E, Pfeffer R, Spiegelmann R, Cohen ZR (2012). "Presentation patterns and outcome of gliomatosis cerebri". Oncol Lett. 3 (1): 209–213. doi:10.3892/ol.2011.445. PMC 3362440. PMID 22740882.
  3. 3.0 3.1 3.2 Desclée P, Rommel D, Hernalsteen D, Godfraind C, de Coene B, Cosnard G (2010). "Gliomatosis cerebri, imaging findings of 12 cases". J Neuroradiol. 37 (3): 148–58. doi:10.1016/j.neurad.2009.12.001. PMID 20334921.
  4. Beauchesne P (2011). "Extra-neural metastases of malignant gliomas: myth or reality?". Cancers (Basel). 3 (1): 461–77. doi:10.3390/cancers3010461. PMC 3756372. PMID 24212625.


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