371 On the use of quantitative single-voxel proton magnetic resonance spectroscopy for differential diagnosis of unclear focal brain lesions in children

1999 ◽  
Vol 3 (6) ◽  
pp. A164
Author(s):  
B. Wilken ◽  
P. Dechent ◽  
J. Frahm ◽  
F. Hanefeld
2000 ◽  
Vol 23 (1) ◽  
pp. 22-31 ◽  
Author(s):  
Bernd Wilken ◽  
Peter Dechent ◽  
Jochen Herms ◽  
Caroline Maxton ◽  
Evangelos Markakis ◽  
...  

2004 ◽  
Vol 62 (2b) ◽  
pp. 429-436 ◽  
Author(s):  
Andréia V. Faria ◽  
Fabiano Reis ◽  
Verônica A. Zanardi ◽  
José R. Menezes ◽  
Fernando Cendes

The purpose of this article is show the role of proton magnetic resonance spectroscopy (MRS), associated with magnetic resonance images, in the study of non-neoplastic disorders, helping in diagnosis and better characterization of the nature of the lesion. Herein, we analyzed single voxel proton spectroscopy in eight different non-neoplastic lesions, displayed in six categories (infectious, ischaemic, demyelinating, inflammatory, malformation of development and phacomatosis). The presence or the ratios of signal intensities brain tissue metabolites observed with this technique (N-acetyl aspartate, choline, creatine, lactate and lipids) helped in their differentiation with neoplastic lesions and helped in correct diagnosis. In infectious diseases, signals of acetate, succinate and aminoacids were also important. In conclusion, proton MRS is a noninvasive method, very useful as an additional technique to define the nature of non-neoplastic encephalic lesions.


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