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. 2021 Dec 6;12(12):1953. doi: 10.3390/genes12121953

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The figure outlines three examples of cryptogenic embolism in patients with PFO as imaged in Magnetic Resonance Imaging (MRI) of the brain: Patient 1 (a–c) multiple right cerebellar recent ischemic lesions on axial FLAIR (a) and DWI (b,c) MRI sequences. Patient 2 (d–f) left occipital ischemic stroke in a patient with migraine with aura and PFO on axial FLAIR (d) coronal T2W (e) and DWI MRI sequences. Patient 3 (g–i) right temporo-parietal ischemic stroke on axial FLAIR (g) contrast-enhanced axial T1W (h) and DWI (i) MRI sequences.