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Case No. 104
0000-00-00~0000-00-00
출제자 : 관리자
Hit : 367
| Period | 0000-00-00~0000-00-00 |
|---|---|
| Diagnosis | |
| Clinical information | 68세 남자, 2주전부터 발생한 간헐적 어지러움을 주소로 내원 |
| Discussion | [정답] Dural arteriovenous fistula *Heterogeneous group of lesions with AV shunts within dura *Network of tiny vessels in wall of thrombosed dural venous sinus *Can occur anywhere bur usually skull base *Most aggressive:associated with retrograde leptomeningeal venous drainage *Focal hyperintensity in adjacent brain: venous perfusion abnormality *Best imaging tool: DSA with superselective catheterization of dural, transosseous feeders *Adult dural AV fistulas are usually acquired, not congenital *Pathological activation of neoangiogenesis *Prognosis, clinical course depends on location, venous drainage pattern |
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