Study design . a case of thoracic myelopathy with alkaptonuria ( ochronotic spondyloarthropathy ) is presented 研究设计：报道一例胸椎脊髓病合并尿黑酸尿（黄褐病性脊椎关节病）的病例。
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Methods . the clinical course , radiologic features , pathology , and treatment outcome of an alkaptonuria patient with thoracic myelopathy was documented 方法：记录尿黑酸尿病人合并胸椎脊髓病的临床进程、影像特点、病理和治疗效果。
