MR imaging of the adrenal glands: 1.5T versus 3T

Merkle, Elmar M; Schindera, Sebastian T (2007). MR imaging of the adrenal glands: 1.5T versus 3T. Magnetic resonance imaging clinics of North America, 15(3), 365-72, vii. New York, N.Y.: Elsevier

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MR imaging at 1.5T is considered the prime cross-sectional imaging modality for characterization of adrenal lesions. This is of utmost clinical importance, because non-functioning adenoma and adrenal metastasis are fairly common. The differentiation of these two tumor entities primarily is based on chemical shift imaging, also known as dual echo in-phase and opposed-phase imaging. At 3.0 T, the echo time pairs for in-phase and opposed-phase MR imaging need to be adjusted because the frequency difference is double that of standard 1.5T MR systems. Unfortunately, the acquisition of the first opposed-phase echo at 1.1 milliseconds and the first in-phase echo at 2.2 milliseconds within the same breath-hold requires unacceptably high receiver bandwidths at 3.0 T. Therefore, alternative data collection schemes have been implemented. This article reviews the current literature regarding adrenal imaging at 3.0 T with a focus on the chemical shift technique.

Item Type:	Journal Article (Further Contribution)
Division/Institute:	04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic, Interventional and Paediatric Radiology
UniBE Contributor:	Schindera, Sebastian Tobias
ISSN:	1064-9689
ISBN:	17893056
Publisher:	Elsevier
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:58
Last Modified:	05 Dec 2022 14:18
PubMed ID:	17893056
URI:	https://boris.unibe.ch/id/eprint/24988 (FactScience: 54380)