Radiology Review
Man Thrown From Balky Bike
Following a motorcycle accident, a 55-year-old man complains of head, face, and chest wall pain. A chest radiograph clarifies some of the damage...
ANSWER
The radiograph demonstrates age-related degenerative changes. Of note is a moderate compression fracture of L3 with close to 50% loss of height. It is difficult to say for sure the fracture is acute; by plain film alone, it would be deemed age indeterminate.
Of concern, though, is the posterior portion of the superior endplate of L3, which appears to be posteriorly displaced into the spinal canal. This finding suggests possible retropulsion and, if this fracture was in fact acute, would suggest a possible unstable fracture. Further imaging is warranted.
The patient underwent noncontrast CT of the lumbar spine, which demonstrated that the fracture was acute. It also indicated that there was dorsal retropulsion causing close to 50% canal compromise. The patient was subsequently admitted for further workup and evaluation.
