TRAUMA OF THE CERVICAL SPINE - Department of Radiology
TRAUMA OF THE CERVICAL SPINE - Department of Radiology
TRAUMA OF THE CERVICAL SPINE - Department of Radiology
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Mechanism: Hyperflexion<br />
INJURIES <strong>OF</strong> <strong>THE</strong><br />
LOWER<br />
<strong>CERVICAL</strong> <strong>SPINE</strong> (C3-7)<br />
• Anterior subluxation (hyperflexion sprain)<br />
• Bilateral interfacetal dislocation<br />
• Simple wedge compression fracture<br />
• Clay shoveler’s fracture<br />
• Flexion teardrop fracture<br />
Anterior Subluxation<br />
(Hyperflexion Sprain)<br />
Bilateral Interfacetal Dislocation<br />
(Facet Jump)<br />
•Unstable<br />
• Predominantly s<strong>of</strong>t<br />
tissue disruptions<br />
• Wide<br />
posteriorly/kyphosis<br />
• > 50% anterior<br />
translation<br />
• Both facets jumped<br />
• Severe neurologic injury<br />
common<br />
Rogers LF. Radiol <strong>of</strong> Skeletal Trauma.<br />
Clay Shoveler’s Fracture<br />
• Spinous process<br />
avulsion<br />
• C7 > C6 > T1<br />
• No neurologic<br />
sequelae<br />
Flexion Teardrop Fracture<br />
• Swimming pool injury<br />
• Combo flexion and axial<br />
load<br />
• Characteristic<br />
“teardrop” fragment<br />
anterior inferior corner<br />
• Kyphotic angulation<br />
• Neurologically<br />
devastating<br />
2
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