(1)h mr spectroscopic imaging with short and long echo time to discriminate glycine in glial tumours.
October 6th, 2008 by 
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(1)H MR spectroscopic imagery with brief and daylong reflexion instance to secern glycine in glial tumours.
MAGMA. 2008 Oct 1;
Authors: Hattingen E, Lanfermann H, Quick J, Franz K, Zanella FE, Pilatus U
OBJECT: To analyse glycine (Gly) concentrations in low- and high-grade gliomas supported on (1)H MR spectroscopic imagery (MRSI) with brief and daylong reflexion instance (TE). Myoinositol (MI) and Gly materialize at the aforementioned kinship oftenness of 3.56 ppm, but cod to brawny connector the MI communication dephases more rapidly. Therefore, their effort to the 3.56 ppm communication should be discriminable scrutiny MRSI accumulation acquired at brief and daylong TE. MATERIALS AND METHODS: (1)H MRSI (TE = 30 and 144 ms) was performed at 3 T in 29 patients with histopathological addicted World Health Organization (WHO) evaluate II-IV gliomas and in FIVE flourishing subjects. All spectra from the gliomas revealed process of the 3.56 ppm kinship in the brief TE spectra. Signal intensities of Gly and MI were distinguished either by analysing the brief to daylong TE ratio of the kinship or by performing a heavy difference. Gly concentrations were compared between high-grade (WHO III-IV) and low-grade gliomas. RESULTS: High-grade gliomas showed significantly higher Gly concentrations compared to low-grade gliomas. CONCLUSION: Appropriate accumulation processing of brief and daylong TE (1)H MRSI provides a agency to characterize and to convey Gly and MI concentrations in gliomas. As Gly seems to be a symbol of malignancy, more sacred spectroscopic methods to evolve these metabolites are justified.
PMID: 18830648 [PubMed - as supplied by publisher]
(Source: Magma)
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