Co-occurrence of dural arteriovenous fistula and meningioma: A rare case and systematic review

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Background: The coexistence of meningioma and dural arteriovenous fistula (dAVF) is a rare, but highly complex condition. Various pathophysiological mechanisms underlie intracranial meningiomas with continuous or distant dAVFs. We describe a case of coexisting meningioma and dAVF with a systematic review of the literature. Result: Including the present case, there are 21 reported cases of coexisting intracranial dAVF and meningioma. The patients’ ages ranged from 23 to 76 years, with a mean age of 61 years. The most common presenting symptom was headache. The dAVFs were commonly located at the transverse-sigmoid sinus (43%) and superior sagittal sinus (24%). The most common meningioma locations were the tentorium and parietal convexity. In 76% of the cases, the meningioma occluded the sinus. The most common dAVF treatment was transcatheter arterial embolization, followed by tumor resection (52%). Among the 20 cases with available outcome data, 90% reported favorable outcomes. Conclusion: This report highlights some of the features of coexisting dAVF and meningioma and presents a systematic review of other reports on this phenomenon. Through an in-depth analysis of the literature, we highlight some of the leading theories regarding the causes of concomitant dAVF and meningiomas. Our report supports one of the leading theories that impaired venous return, whether through the occlusion of sinuses or sinus manipulation during surgery, plays a role in the development of dAVF. Further understanding may help guide future clinical decision-making and surgical planning.

Central nervous system, Embolism, Meningioma, Systematic review, Vascular malformation