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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… Click to show full abstract
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]. AOVMs are rare and easily misdiagnosed because of their wide range of clinical manifestations, which include seizures, hemorrhage, headache, and focal neurological deficits [4]. AOVMs that involve hemorrhaging are especially challenging to diagnose. Here, we report a case of angiographically occult AVOM that mimics cortical venous sinus thrombosis (CVST). Case report
Journal Title: Acta Neurologica Belgica
Year Published: 2019
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