Diagnosis of Lumbar Spondylolysis in Children and Adolescents on MR Imaging: Comparison with CT

Motoyuki Katayama¹, Takayuki Masui¹, Kimihiko Sato¹, Hiroki Ikuma¹, Hidekazu Seo¹, Akihiko Kutsuna¹

We reviewed MR findings in the pars interarticularis that were confirmed on CT imaging. On MR imaging signal intensities in par interarticularis showed various. High signal intensities on T1-weighted imaging, which was low frequency, might be a clue to spondylolysis.