Wedge fracture | 合法醫療器材資訊網

Wedgefractures(alsoknownascompressionfractures)arehyperflexioninjuriestothevertebralbodyresultingfromaxialloading.Mostcommonlyaffectingthe ...

Spinal wedge (compression) fractures are hyperflexion injuries to the vertebral body[1] resulting from axial loading. Most commonly affecting the anterior aspect of the vertebral body, wedge fractures are considered a single-column[2] (i.e. stable) fracture. 

Less commonly wedge fractures refer to a subtype of tibial plateau fractures[3]. 

Most common type (~50%) of thoracolumbar spine fractures 4. 

Typically, these fractures are insufficiency fractures[4] secondary to osteoporosis[5], although some are pathological[6] secondary to a focal bone lesion. A small proportion is due to trauma in patients with normal underlying bone 2.

See: AO spine classification of thoracolumbar injuries[7].

Radiographs, CT, and MRI may show cortical disruption with impaction of one endplat...