Anterior decompression with fusion vs. posterior decompression with fusion for massive cervical ossification of the posterior longitudinal ligament with a ≥50% canal occupying ratio: a multi-center retrospective study

Previous studies have shown that compared to laminoplasty, anterior decompression with fusion (ADF) is superior for postoperative neurological improvement in patients with massive cervical ossification of the posterior longitudinal ligament (OPLL) with a ≥50% canal occupying ratio. However, it is unknown which method, ADF or posterior decompression with fusion (PDF), is more effective for the treatment of massive OPLL.

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