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The authors present the case of a 14-year-old girl with Down syndrome treated using pial synangiosis for MMD who subsequently was noted to have bilateral DAVFs. This case provides a new perspective on the origins and underlying pathophysiology of both moyamoya syndrome and DAVFs, and also serves to highlight the importance of monitoring the moyamoya population closely for de novo cerebrovascular changes after revascularization procedures.<\/jats:p>","DOI":"10.3171\/2019.2.peds18603","type":"journal-article","created":{"date-parts":[[2019,4,15]],"date-time":"2019-04-15T12:43:03Z","timestamp":1555332183000},"page":"9-13","source":"Crossref","is-referenced-by-count":12,"title":["Development of bilateral dural arteriovenous fistulae following pial synangiosis for moyamoya syndrome: case report"],"prefix":"10.3171","volume":"24","author":[{"given":"Sravanthi","family":"Koduri","sequence":"first","affiliation":[{"name":"Departments of Neurosurgery and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D. 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