T2-weighted Imaging of the Breast at 1.5T Using Simultaneous Multi-slice Acceleration.

Autor:	Riffel J; Clinic of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany; julia.riffel@medma.uni-heidelberg.de., Kannengiesser S; MR Application Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany., Schoenberg SO; Clinic of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany., Kaiser AK; Clinic of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany., Overhoff D; MR Application Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany., Riffel P; Clinic of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany., Kaiser CG; Clinic of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
Jazyk:	angličtina
Zdroj:	Anticancer research [Anticancer Res] 2021 Sep; Vol. 41 (9), pp. 4423-4429.
DOI:	10.21873/anticanres.15249
Abstrakt:	Aim: To evaluate the image quality and time saving using simultaneous multi-slice (SMS)-accelerated T2-weighted turbo spin echo (TSE) sequences compared to standard T2 TSE sequences in breast magnetic resonance imaging (MRI). Patients and Methods: Thirty patients were examined with an SMS-accelerated T2 TSE sequence and a standard T2 TSE sequence as part of a breast MRI protocol at 1.5T. Image quality, signal homogeneity and tissue delineation were evaluated. For quantitative assessment, the signal-to-noise ratio (SNR) was measured from representative SNR maps. Results: There were no significant differences regarding tissue delineation and signal homogeneity. Image quality was rated equal at the chest wall and the breasts but decreased in the axilla on SMS-T2 TSE (p=0.01) with a simultaneous decrease of SNR (p=0.03). This did not significantly impact the overall image quality (p=0.2). The acquisition time for SMS-T2 TSE was 48% shorter compared to standard T2 TSE. Conclusion: SMS-acceleration for T2-weighted imaging of the breast at 1.5T substantially reduces acquisition time while maintaining comparable quantitative and qualitative image quality. This may pave the way for protocol abbreviation especially in a high-throughput clinical workspace. (Copyright © 2021 International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.)
Databáze:	MEDLINE
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