Air bubble artifact reduction in post-mortem whole-brain MRI: the influence of receiver bandwidth
Air bubble artifacts on SWI post-mortem MRI studies may interfere with the detection of cerebral microbleeds. We investigated whether the utilization of a higher receiver bandwidth of 500 Hz/pixel could reduce cortical air bubble artifacts without compromising the detection of cerebral microbleeds in high-field MRI. All microbleeds remained clearly visible whereas a reduction of 17% of the long axis of the “halo” magnitude artifacts was achieved. On corresponding phase images, air bubble artifacts appeared identical.
KeywordsMRI Postmortem SWI Air bubble artifacts Microbleeds
Compliance with ethical standards
This study was funded by a Swiss National Science Foundation Grant (Grant no. 320030_159990/1).
Conflict of interest
The authors declare that they have no conflict of interest.
All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study or from their next of kin.
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