Expert’s comment concerning Grand Rounds case entitled “Management of a pseudarthrosis with sagittal malalignment in a patient with ochronotic spondyloarthropathy” by Alkasem W, Boissiere L, Obeid I, Bourghli A (Eur Spine J; 2019: doi.org/10.1007/s00586-019-06020-2)

[摘要] The authors are to be congratulated on salvaging a postlaminectomy pseudoarthrosis in a patient with alkaptonuric ochronosis [1]. Destabilizing a rigid spine by laminectomy and lateral posterior element removal was truly emphasized as the surgeon’s failure during index surgery done.