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. 2017 May 18;57(7):356–365. doi: 10.2176/nmc.ra.2016-0316

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© 2017 The Japan Neurosurgical Society

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Fig. 4 — Intradural perimedullary AVF subtype II (multiple feeders, multiple medium AVFs). (A) A sagittal thoracic image using T2-weighted MR imaging showing congestion of the spinal cord (asterisk). (B) An angiogram of the thoracic intercostal artery showing intradural perimedullary AVF subtype II (arrowhead) fed by pial branches of the anterior and posterior spinal arteries (arrows). (C) An angiogram of the lumbar artery showing the same intradural perimedullary AVF (arrowhead) fed by pial branches of the posterior spinal arteries (arrow).