PMC8571376_01
MRI where we observed a serpentigenous path of the arteriovenous malformation at the parieto-occipital region. (a) Axial T2-weighted sequence. (b) Axial T2-FLAIR sequence. (c) Axial 3D TOF. (d) Sagittal 3D TOF.
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F1
An MRI was performed 4 days later and found the same serpentigenous paths shown in the CT scan [Figure 1].
Cerebral angiography 20 days postevent showing arteriovenous malformation (AVM) regression. (a) Right internal carotid artery angiogram. (b) Posterior circulation angiogram, without any evidence of AVM.
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F2
A cerebral angiography 20 days postevent, the AVM was no longer observed [Figure 2].