骨科学课件：Chronic Arthropathies

Chronic Arthropathies Rheumatoid Arthritis(RA) Inflammatory arthritides. Highlights of the morphology and distribution of arthritic lesions in the inflammatory arthritides.Radiographic features typical erosions of the small joints Typical erosions in the bare areas are seen in this 55-year-old woman with rheumatoid arthritis. Note also periarticular osteoporosis and soft-tissue swelling. (above) RA (early) RA (early) RA (early) RA (early) RA (early) RA (early) Rheumatoid osteitisAnkylosing Spondylitis(AS)Imaging featuresASASFusion of the Sacroiliac (SI) Joints in Ankylosing Spondylitis. Bilateral complete fusion of the SI joints in this patient with ankylosing spondylitis makes the SI joints totally indistinguishable. (left fig.)Bilateral symmetric sacroiliac joint sclerosis and erosions(right fig.) Ankylosis of joint In the spineAdvanced ankylosing spondylitis of the spine (A) Lateral and (B) AP radiographs of the lumbar spine show that the syndesmophytes have matured to produce the classic bamboo spine. (C) MR shows the squaring of the vertebral bodies, calcification of the anterior longitudinal ligament,and increased signal in the anterior aspects of the discs. AS AS (Bamboo)AS (Bamboo)AS (Bamboo)AS (Bamboo)OsteoarthritisDDxImaging features:Both joints demonstrate joint space narrowing, subchondral sclerosis, and osteophytosis, which are hallmarks of DJD. Present are classic findings of osteophytosis, joint space narrowing, and sclerosis at the distal interphalangeal joints, the proximal interphalangeal joints, and at the base of the thumb. typical asymmetric medial compartment narrowing osteophytes and bone sclerosis. osteochondral bodies OAOA (late)OA (late) OAOAOA (late)Gouty Arthritis 痛痛 风风 性性 关关 节节 炎炎