Presentation
Lumbar spine trauma.
Patient Data
Age: 15 years
Gender: Male
From the case:
Pars interarticularis fracture
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Info
There is a break in the pars interarticularis of L5 vertebrae. The "Scottie Dog" has an apparent "collar, which it should not have. The "collar" defined as a break in the pars interarticularis.
From the case:
Pars interarticularis fracture
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Info
Spondylolysis of L5 vertebrae is seen in the background of pars interarticularis fracture with no evidence of spondylolisthesis.
Bone marrow edema/bruise also is seen at the site of fracture.
Case Discussion
Spondylolysis is a specific defect in the pars interarticularis unit. This defect can lead to small stress fractures (breaks) in the vertebrae.
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