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Figure Images in Spinal Dural Arteriovenous Fistula (A) Sagittal T2-weighted MRI demonstrates intramedullary hyperintensity and perimedullary flow voids.(B) Sagittal maximum intensity projection (MIP), (C) volume-rendered reconstruction of the photon-counting CT angiography (PCCTA) localizes the fistula at the T12 level.(D) Selective digital subtraction angiography (DSA) confirms the fistula.
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Yuan et al. (2026) studied this question.
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