After the disc space is prepared, the BMP-soaked collagen sponge is packed into the interbodycage, and the cage is inserted into the anterior two-thirds of the disc space to maximize lordosisand minimize the risk of exposing the nerve root to BMP.
Jeffrey A. Rihn et al. J Bone Joint Surg Am 2008;90:2014-2025
Axial (A) and coronal (B) computed tomography scans demonstrating ectopic bone formation inthe intervertebral foramen (white arrows) following a transforaminal lumbar interbody fusionperformed with rhBMP-2.
Jeffrey A. Rihn et al. J Bone Joint Surg Am 2008;90:2014-2025
Coronal computed tomography scan (A) and sagittal T1-weighted magnetic resonance image (B)demonstrating vertebral osteolysis six months following a transforaminal lumbar interbodyfusion performed with use of rhBMP-2.
Jeffrey A. Rihn et al. J Bone Joint Surg Am 2008;90:2014-2025