Abstract
The aim of this study was to assess the usefulness of proton MR spectroscopy in the diagnosis of intraventricular tumours. Fifty-two intraventricular tumours pertaining to 16 different tumour types were derived from our database. All cases had single-voxel proton MR spectroscopy performed at TE at both 30 and 136 ms at 1.5 T. The Mann-Whitney U test was used to search for the most discriminative datapoints each tumour type. Characteristic trends were found for some groups: high Glx and Ala in meningiomas (p < 0.001 and p < 0.01, respectively), high mobile lipids in metastasis (p < 0.001), high Cho in PNET (p < 0.001), high mI + Gly in ependymoma (p < 0.001), high NAC (p < 0.01) in the absence of the normal brain parenchyma pattern in colloid cysts, and high mI/Gly and Ala in central neurocytoma. Proton MR spectroscopy provides additional metabolic information that could be useful in the diagnosis of intraventricular brain tumors.
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Grants: This work was funded in part by MEDIVO2 (MEC SAF2005–03650), and Generalitat de Catalunya SGR2005–00863 and XT2004–51. CIBER-BBN is an initiative of “Instituto de Salud Carlos III” (ISCiii) of Spain.
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Majós, C., Aguilera, C., Cos, M. et al. In vivo proton magnetic resonance spectroscopy of intraventricular tumours of the brain. Eur Radiol 19, 2049–2059 (2009). https://doi.org/10.1007/s00330-009-1357-y
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DOI: https://doi.org/10.1007/s00330-009-1357-y