It was reported that the patient underwent oblique lateral interbody fusion and posterior fusion surgery at l2-3 due to intervertebral disc degeneration and lumbar low back pain.At approximately 18 months post-op, patient symptomatic and showing signs of an inflammatory response (muscle aches, weakness, joint pain, back pain, difficulty walking, weakness and numbness, depression and anxiety).Surgeon describes response as ¿over-exuberant osteoclast activation from bone morphogenetic protein (bmp)¿.Additionally, there have been no reports of indications of any active infection from the time of implantation.On (b)(6) 2017: patient underwent a posterior pedicular biopsy and redo l2-3 laminectomy for recurrent stenosis and a lyric lesion in his vertebra.Result: wound was normal, cultures grew no organisms and had negative gram stain.
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