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. 2008 May;29(5):1024–1031. doi: 10.3174/ajnr.A0947

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Fig 2. — A, MIP from 3D high-spatial-resolution CE-MRA (voxel volume, 0.8 × 0.7 × 0.8) in a 43-year-old male patient with cervical AVM extending from C2 to C6. Note the left ascending cervical artery originating from the left thyrocervical trunk (arrowheads), appearing to course in a superior direction to feed the intramedullary AVM. This nidus drains via a prominent spinal vein into the right superior petrosal vein and into the right transverse sinus (arrow). B, VR reconstruction from high-spatial-resolution MRA. C and D, CCA of venous drainage. Note due to the small FOV, venous drainage is obtained by using separate injections. E and F, Superselective CCA from a thyrocervical trunk injection shows results consistent with those seen at MRA. G, Time-resolved MRA shows the nidus (arrowheads) and the draining vein (arrow).