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Fig. 2 | CVIR Endovascular

Fig. 2

From: Managing systemic venous occlusions in children

Fig. 2

a MRV of an 18 y/o M with chronic right lower extremity swelling and DVT demonstrates numerous venous collaterals but no central draining vein beyond the level of the iliac veins. This delayed, post-contrast MIP image shows the numerous venous collaterals in the pelvis and along the spine. b MRV of a 16 y/o F with acute onset of left lower extremity DVT shows patency of the right iliac veins draining into the IVC but no opacification of the left iliac veins. The overriding right common iliac artery compresses the left common iliac vein leading to the delayed venous drainage of the extremity and eventual thrombus formation. c CT of a 4 y/o M with chronic occlusion of the IVC (dashed arrow), multifocal calcified thrombi in the IVC (solid arrow), and fresh acute clot in the right common iliac vein (dotted arrow). A CT exam in this child allowed for an accurate, high resolution exam for deep venous recanalization planning without having to put the child under general anesthesia to obtain the images

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