Rheum Shorts

Question 1

X-ray findings in RA

Answer 1

1. Periarticular soft tissue swelling
2. Juxta-articular OP
3. Marginal erosions
4. Joint space narrowing
5. Symmetrical involvement
6. Deformities

Question 2

X-ray findings in scleroderma

Answer 2

1. Calcinosis
2. Pulp atrophy
3. Acro-osteolysis

Question 3

X-ray findings in psoriatic arthritis

Answer 3

1. Erosions with new bone
2. Pencil in cup = bony resorption of distal tuft of proximal phalanx (pencil head), and new bone formation of proximal end of distal phalanx)
3. Erosions
4. Ankylosis
5. Sacro-iliitis