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目的:探讨强直性脊柱炎(ankylosing spondylitis,AS)的X线表现,增强对AS影像表现的认识,提高其诊断水平。方法:回顾性分析14例我院明确诊断为AS患者的X线及CT表现。结果:双侧骶髂关节受累13例,单侧(右侧)1例,骨质破坏12例,骨质硬化11例,关节间隙狭窄10例,关节骨性强直3例;腰椎呈“竹节样改变”3例;双髋关节同时并双侧耻骨、坐骨受累1例;所有病例均有不同程度的骨质疏松。结论:骶髂关节骨质破坏、硬化、关节间隙狭窄及最后骨性强直是AS诊断的依据,腰椎的“竹节样改变”是最为典型的X线表现,CT可明显提高检出AS骶髂关节病变的细节变化。
Objective: To investigate the X-ray manifestations of ankylosing spondylitis (AS) and to improve the understanding of AS imaging and improve its diagnostic value. Methods: The X-ray findings and CT findings of 14 cases with AS in our hospital were retrospectively analyzed. Results: Bilateral sacroiliac joint involvement in 13 cases, unilateral (right side) in 1 case, bone destruction in 12 cases, bone sclerosis in 11 cases, joint space narrowing in 10 cases, joint ankylosis in 3 cases; Section-like change “3 cases; double hip and bilateral pubis, sciatic involvement in 1 case; all cases have different degrees of osteoporosis. Conclusion: Osteoarthrosis, sclerosis, stenosis and final bony rigidity of sacroiliac joint are the basis of AS diagnosis. The ”bamboo-like change" of lumbar spine is the most typical X-ray manifestations. CT can obviously improve the detection of AS Changes in the details of sacroiliac joint disease.