Sir, Spontaneous thrombosis of cerebral arteriovenous malformations (AVM) is exceedingly rare and only 29 such cases have been reported in the literature. We report one such case. A 25-year-old female presented with headache, vomiting and generalized tonic-clonic seizures. She was drowsy but arousable and confused, and had no obvious motor or sensory deficits. Computed tomography (CT) of brain revealed a right frontal lobe hematoma with surrounding edema. [Figure 1a] She was managed conservatively and was referred to our institute after 1 week. CT angiogram (CTA) [Figure 1b-d] revealed a right frontal arteriovenous malformation (AVM) with a compact nidus supplied by an enlarged and tortuous frontopolar branch of the right anterior cerebral artery (ACA).
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