PMC9560782_01
CT scans revealed strip-like high density cement extravasation (arrows) in vertebra bone.
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F1
Thereafter, X-ray examination showed paravertebral venous cement leak and cement entry into the IVC, resulting in the deposition of a cement cast in the IVC filter, and CT images demonstrating cement leaking out of the vertebral body (Figure 1).
Venography showed cement attached to the IVC filter hook and trapped in the filter. IVC, inferior vena cava.
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F2
An inferior vena cavography prior to retrieval of the filter showed that cement had migrated into the IVC and attached to the caval wall at the level of the IVC filter tip and was trapped within the filter (Figure 2), resulting in the IVC filter failing to be retrieved in the conventional way.