Abstract
Traumatic bilateral pedicle fractures of the lumbar spine are rare. Some pedicle stress fracture cases have been described previously; most of them associated to spinal procedures having had different stabilization or fusion techniques, osteoporosis, secondary to unilateral spondylolysis or due to certain athletic activities. In these types of fractures, fatigue fractures which occur in normal bone that is subjected to repetitive abnormal stress or insufficiency fractures which are due to normal stress on a structurally defective bone are mostly observed. Traumatic cases with L5 pedicles fracture have been previously described but these are commonly associated with facet injury and severe spondylolisthesis.
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