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Review
. 2011 May;38(2):69-75.
doi: 10.1016/j.neurad.2010.10.001. Epub 2011 Jan 6.

Clinical pitfalls related to short and long echo times in cerebral MR spectroscopy

A Cianfoni  1 , M Law  2 , T J Re  3 , D J Dubowitz  4 , Z Rumboldt  5 , S G Imbesi  4
Affiliations
Review

Clinical pitfalls related to short and long echo times in cerebral MR spectroscopy

A Cianfoni et al. J Neuroradiol. 2011 May.

Abstract

MR-spectroscopy (MRS) is a multiparameter diagnostic tool and modification of each parameter results in spectrum morphology changes. In particular, changing the echo time (TE) represents a useful tool to highlight different diagnostic elements, but also has significant impact on the spectrum morphology. Diagnostic errors can result if the role of TE is not properly considered. This article reviews the four most common TE-related pitfalls of MRS interpretation. Clinical practical methods to avoid such pitfalls are also suggested.

Keywords: Brain neoplasms; Echo-time; MR-Spectroscopy; MRI; Pitfalls.

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