Spontaneous development of a cerebral arteriovenous malformation documented by serial angiography

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Abstract
✓ This 61-year-old man with a right-sided tentorial dural arteriovenous fistula (DAVF) was initially treated with staged stereotactic radiosurgery and transarterial embolization. Results of follow-up cerebral angiography performed 4 years later demonstrated complete obliteration of the dAVF and development of a previously undetected cerebellar arteriovenous malformation (AVM). The newly diagnosed AVM was treated with repeated stereotactic radiosurgery. This represents the first reported case of the development of a cerebral AVM documented in an adult by serial angiography.