It was reported that on: (b)(6) 2008: patient presented with following pre-op diagnoses: lumbar stenosis.Lumbar disk herniation.For which, patient underwent following procedures: l4-l5 and l5-s1 decompressive laminectomy with medial facetectomy and foraminotomy for decompression of neural tissue under microscopic dissection.L4-l5 and l5-s1 diskectomy with interbody fusion with peek cages and bmp.L4-l5 and l5-s1 posterior lateral arthrodesis with autograft, allograft, bmp.Pedicle screw fixation segmental at l4, l5 and s1 with modular fixation system.Stereotactic navigation with the o-arm.Interpretation of fluoroscopy.Per op notes, surgeon applied peek cages filled with bmp at l5-s1, one on each side, and at l4-5, one on each side, using 10 mm cages at l5-s1 and 12mm cages at l4-5.At that point, decorticated the transverse process of l4, l5 and s1 and performed posterolateral arthrodesis using a combination, rolled around it bmp of a large kit and used that for posterolateral arthrodesis of l4-l5 and l5-s1.Patient tolerated the procedure well without any intraoperative complications.
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