Radiographic features of Seronegative Arthritides

Question 1

what conditions are included in seronegative arthritides

Answer 1

ankylosing spondylitis, psoriatic arthritis, Reiter’s syndrome

Question 2

what are the seronegative arthritides characterised by

Answer 2

synovitis and enthesitis

Question 3

what is synovitis

Answer 3

inflammation of joint and tendon sheath lining

Question 4

what is enthesitis

Answer 4

inflammation at site where ligaments and tendon attach to bone

Question 5

what radiological features are seen in seronegative arthritides

Answer 5

tendency to ankylosis, sacroiliac joint and spine involvement, new bone formation

Question 6

describe the bone formation seen in seronegative arthritides

Answer 6

ill-defined periarticular new bone formation

Question 7

describe what causes the ankylosis in seronegative arthritides

Answer 7

ossification of intravertebral ligaments

Question 8

what is ankylosis

Answer 8

the consolidation of bones or their parts ot form a single unit

Question 9

describe the distribution of ankylosing spondylitis

Answer 9

scattered large lower limb joints

Question 10

describe the distribution of psoriatic arthrits

Answer 10

small joints of hands and feet,

Question 11

describe the distribution of Reiter’s syndrome

Answer 11

scattered large lower limb joints, lower limb entheses