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Fig. 1 | CVIR Endovascular

Fig. 1

From: Hybrid CT-angiography to facilitate lower extremity sharp venous recanalization: a novel approach to a common procedure

Fig. 1

a CT demonstrated clips at level of LCIV origin (arrow) from prior surgical ligation of the LCIV, which were likely contributing to chronic occlusion of the vessel and complex recanalization techniques required; b Initial LLE venogram in the extreme RAO view shows flush occlusion of LCIV (arrow), in addition to postoperative findings related to L4 corpectomy and posterior lumbar fusion hardware; c Sharp recanalization needle was advanced from the proximal LCIV in the direction of the LEIV into the extra-vascular pelvic space (solid arrow), thus bypassing the known occlusion, confirmed on hybrid CT; d The two snares could now be advanced above (solid arrow) and below (dotted arrow) the area of occlusion and were confirmed to be close to each other on both AP and oblique projections

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