Most cerebral vascular malformations (CVMs) are arteriovenous in composition and visible using angiography [
1]. Magnetic resonance imaging (MRI) and digital subtraction angiography (DSA) are the gold standard imaging modalities for the evaluation and diagnosis of CVMs [
2]. CVMs that are not visible on DSA are known as angiographically occult cerebral vascular malformations (AOVMs) [
3]. These include capillary telangiectasias, cavernous angiomas, arteriovenous malformations (AVMs), and intravenous vascular malformations [
1]. …