Spondylolysis

Spondylolysis is a defect or stress fracture in the pars interarticularis of the vertebral arch. The vast majority of cases occur in the lower lumbar vertebrae (L5), but spondylolysis may also occur in the cervical vertebrae.

Not to be confused with Spondylosis, Spondylitis, or Spondylolisthesis.
Spondylolysis
Spondylolysis (wrong descriptions: the upper 3 arrows should be partes interarticulares)
SpecialtyOrthopedics
Diagnostic methodX-ray, MRI
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