PART 15: Disorders of the Joints and Adjacent Tissues
SECTION 2 Disorders of Immune-Mediated Injury
325 The Spondyloarthritides
 | Figure 325-1 Early sacroiliitis in a patient with AS, indicated by prominent edema in the juxtaarticular bone marrow (asterisks), synovium and joint capsule (thin arrow), and interosseous ligaments (thick arrow) on a STIR (short tau inversion recovery) magnetic resonance image. ( |
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 | Figure 325-2 Spinal inflammation (spondylodiskitis) in a patient with AS and its dramatic response to treatment with infliximab. Gadolinium-enhanced T1-weighted magnetic resonance images, with fat saturation, at baseline and after 24 weeks of infliximab therapy. (From J Braun et... |
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 | Figure 325-3 Characteristic lesions of psoriatic arthritis. Inflammation is prominent in the DIP joints (left 5th, 4th, 2nd; right 2nd, 3rd, and 5th) and PIP joints (left 2nd, right 2nd, 4th, and 5th). There is dactylitis in the left 2nd finger and thumb, with pronounced telescoping of the left 2nd... |
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