Ortho Hors D'oeuvres (Prompt):

Patient is a 64 year-old female presenting after motor vehicle collision at 15 miles per hour. Pt reports back pain with radiation to the abdomen, was ambulatory at scene and denies numbness or weakness of lower extremities or cervical spine pain.

X-rays show:

Questions:

1) What is the key finding on x-ray? What is its eponym?

2) What are the injuries associated with this finding?

3) Is this a stable or unstable injury?