PMC4996617_01
Axial cut CT showing erosion of multiple IVC filter limbs, including limb projecting into lumen of right ureter with proximal hydroureteronephrosis.
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A CT of the abdomen and pelvis was obtained in the emergency room, which revealed moderate right hydronephrosis secondary to an eroded IVC filter limb projecting in the right proximal ureteral lumen (Figs. 1 and 2).
Coronal cut CT with additional demonstration of filter limb penetrating right ureter.
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A CT of the abdomen and pelvis was obtained in the emergency room, which revealed moderate right hydronephrosis secondary to an eroded IVC filter limb projecting in the right proximal ureteral lumen (Figs. 1 and 2).
Antegrade nephrostogram immediately after filter retrieval showing luminal narrowing at site of limb penetration, without evidence of extravasation.
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Concomitantly, percutaneous access for antegrade nephrostogram was performed (Fig. 3), which revealed some narrowing at the site of penetration but no contrast extravasation.