This is the first recorded case of such injury morphology that defies standard classification systems.
According to the case report, the young man was standing in his workplace when a large, heavy metallic pipe or beam unexpectedly fell from above and struck the frontal region of his head. He lost consciousness, fell into respiratory distress, and went into shock almost immediately upon impact. Emergency medical responders performed rapid intubation and stabilization, applying a rigid cervical collar before transferring him to hospital.

Medical Findings: A Rare and Dangerous Fracture
Once in the emergency department, the patient underwent non‑contrast computed tomography (NCCT) of the cervical spine. The images revealed:
- An isolated retropulsion of the C5 vertebral body into the spinal canal.
- Notably, no displacement of facet joints or pedicle fractures was seen.
- A concurrent fracture in the postero