Chance fracture

Case contributed by Dr Henry Knipe

Presentation

High speed road traffic collision.

Patient Data

Age: 25
Gender: Male
Modality: CT

Chance fracture L2 extending through the vertebral body, pedicles, laminae, left transverse process and spinous process, with widening of the posterior fracture lines.

Chronic bilateral L5 pars interarticularis defects resulting in grade I anterolisthesis of L5 on S1. Paravertebral soft tissues are within normal limits.

Case Discussion

Chance fracture are unstable flexion-extension injuries, involving all three columns. They most commonly occur at the thoracolumbar junction and have a high association with intra-abdominal injuries (both solid and hollow viscera). Luckily, this patient did not suffer any intra-abdominal injuries. 

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Case Information

rID: 40360
Case created: 19th Oct 2015
Last edited: 22nd Apr 2017
Tag: trauma
Inclusion in quiz mode: Included

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