Motoyuki Katayama1, Takayuki Masui1, Kimihiko Sato1, Hiroki Ikuma1, Hidekazu Seo1, Akihiko Kutsuna1
1Radiology, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan
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.