Inverted Napoleon hat sign
Diagnosis not applicable
Updates to Study Attributes
Findings
was changed:
These radiographs show the "inverted Napoleon hat sign" on the frontal view, indicative of anbilateral L5 pars defectdefects and spondylolisthesis.
Updates to Case Attributes
Body
was changed:
The "inverted Napoleon hat sign" is a finding on lumbar spine radiographs that indicate anindicates bilateral L5 pars defectdefects with anterolisthesis of L5 over S1.
-<p>The "<a title="Inverted Napoleon hat sign" href="/articles/inverted-napoleon-hat-sign">inverted Napoleon hat sign</a>" is a finding on lumbar spine radiographs that indicate an L5 <a title="Pars defect" href="/articles/spondylolysis">pars defect</a> with <a title="Anterolisthesis" href="/articles/anterolisthesis">anterolisthesis</a> of L5 over S1.</p>- +<p>The "<a href="/articles/inverted-napoleon-hat-sign">inverted Napoleon hat sign</a>" is a finding on lumbar spine radiographs that indicates bilateral L5 <a href="/articles/spondylolysis">pars defec</a><a title="Pars defect" href="/articles/spondylolysis">ts</a> with <a href="/articles/anterolisthesis">anterolisthesis</a> of L5 over S1.</p>