Practical Aspects of novel MRI Techniques in Neuroradiology: Part 2 – Acceleration Methods and Implications for Individual Regions

Abstract

Background Recently introduced MRI techniques facilitate accelerated examinations or increased resolution with the same duration. Further techniques offer homogeneous image quality in regions with anatomical transitions. The question arises whether and how these techniques can be adopted for routine diagnostic imaging.

Methods Narrative review with an educational focus based on current literature research and practical experiences of different professions involved (physicians, MRI technologists/radiographers, physics/biomedical engineering). Different hardware manufacturers are considered.

Results and Conclusions Compressed sensing and simultaneous multi-slice imaging are novel acceleration techniques with different yet complimentary applications. They do not suffer from classical signal-to-noise-ratio penalties. Combining 3 D and acceleration techniques facilitates new broader examination protocols, particularly for clinical brain imaging. In further regions of the nervous systems mainly specific applications appear to benefit from recent technological improvements.

Key points: 

• New acceleration techniques allow for faster or higher resolution examinations.

• New brain imaging approaches have evolved, including more universal examination protocols.

• Other regions of the nervous system are dominated by targeted applications of recently introduced MRI techniques.

Citation Format

• Sundermann B, Billebaut B, Bauer J et al. Practical Aspects of novel MRI Techniques in Neuroradiology: Part 2 – Acceleration Methods and Implications for Individual Regions. Fortschr Röntgenstr 2022; 194: 1195 – 1203

Key words

MR-imaging - neuroradiology - compressed sensing - simultaneous multi-slice - MRI protocols

Publication History

Received: 31 August 2021

Accepted: 05 March 2022

Article published online:
07 July 2022

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