PMC9540073_01
Preoperative axial (left) and midsagittal (right) TSE-T2 images of the lumbar spinal stenosis at L3-L4 level
42399_2022_1289_Fig1_HTML.jpg
PMC9540073_01_42399_2022_1289_Fig1_HTML.jpg
Fig1
After unsuccessful conservative treatment with epidural infiltrations and exercise therapy, a L4 spinous process resection with laminectomy in combination with a right discectomy L3-L4 was performed (Fig. 1).
Axial (left) and sagittal (right) TSE-T2 images demonstrating the hypointense stress fracture with surrounding hyperintense bone-marrow edema in the right L4 pedicle
42399_2022_1289_Fig2_HTML.jpg
PMC9540073_01_42399_2022_1289_Fig2_HTML.jpg
Fig2
MRI findings showed a hypointense interruption with surrounding bone-marrow edema in the right pedicle of the L4 vertebra (Fig. 2).
Left: axial CT-view of the L4 vertebra shows a sclerotic right pedicle. Middle: coronal SPECT-CT view showing a markedly increased osteogenesis. Right: volume-rendered image demonstrating the laminectomy with the right L4-pedicle at the center of the image
42399_2022_1289_Fig3_HTML.jpg
PMC9540073_01_42399_2022_1289_Fig3_HTML.jpg
Fig3