PMC10149142_01
(A) Plain radiograph showing Meyerding grade 1 spondylolisthesis at L4. (B) T2-weighted magnetic resonance image (MRI) revealing spinal canal stenosis at L4/5. (C) Preoperative myelography. (D) Postoperative T2-weighted MRI confirming the expansion of the spinal canal at L4/5. (E) Postoperative radiograph showing the reduction of the slippage at L4/5.
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The patient was a 57-year-old man with a 2-year history of low back pain and right leg pain and intermittent claudication at a distance of more than 200 m (Fig. 1).
PMC10149142_02
(A) Preoperative plain radiograph showing Meyerding grade 2 spondylolisthesis at L4. (B) T2-weighted MRI revealing spinal canal stenosis at L4/5. (C) Postoperative plain radiograph showing a change in spondylolisthesis from Meyerding grade 2 to grade 1.
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PMC10149142_03
(A) Preoperative plain radiograph showing Meyerding grade 1 spondylolisthesis at L3. (B) T2-weighted MRI revealing left foraminal stenosis at L3/4 (arrow) with thick subcutaneous fat (double arrow). (C) Postoperative dynamic plain radiograph showing the reduction of the slippage at L3/4. (D) Postoperative T2-weighted MRI revealing the enlargement of the foramen at L3/4, and fat tissue around the L3 exiting nerve root was observed (arrow).
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The patient was a 50-year-old woman who complained of a 6-month history of low back pain and left thigh pain (Fig. 3).