{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:03:17Z","timestamp":1787025797741,"version":"build-2736575974"},"reference-count":31,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2005,4]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 The authors report the case of a patient with a de novo arteriovenous malformation (AVM), indicating that the origin of these lesions may not always be congenital.<\/jats:p>\n                  <jats:p content-type=\"fine-print\">A 3-year-old girl who was struck by a car suffered a mild head injury and experienced posttraumatic epilepsy. The initial magnetic resonance (MR) image obtained in this child revealed only a small contusion in the left frontal lobe. Intractable epilepsy subsequently developed. A second MR image obtained almost 4 years after the injury demonstrated an AVM in the right posterior temporal lobe that was verified using angiography. The lesion was classified as a Spetzler\u2014Martin Grade III AVM. The patient underwent embolization of the feeding vessels followed by gamma knife surgery. Fourteen months after treatment she was asymptomatic. Follow-up MR images demonstrate no evidence of an AVM and no changes in the white matter.<\/jats:p>\n                  <jats:p content-type=\"fine-print\">This case presents a de novo AVM that developed within approximately 4 years. The findings indicate that AVMs may not always be congenital and reinforce the concept that the natural history of AVMs is dynamic. Lesions may appear de novo, grow, and thrombose spontaneously.<\/jats:p>","DOI":"10.3171\/jns.2005.102.4.0726","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T14:06:30Z","timestamp":1242223590000},"page":"726-729","source":"Crossref","is-referenced-by-count":63,"title":["De novo presentation of an arteriovenous malformation"],"prefix":"10.3171","volume":"102","author":[{"given":"L. 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