8. Misc Stuff that's Sorta in the Arthritis Category

Question 1

Systemic Lupus Erythematosus

Answer 1

reducible deformity of joints without articular erosions

Joint space narrowing and erosions are uncommon
findings.

hands with ulnar subluxations at the MCPs on Norgaard view, then they reduce on AP (because the hands are flat).

This ligamentous laxity also increases risk of
patellar dislocations.

Question 2

Jaccoud’s Arthropathy

Answer 2

very similar to SLE in the hand (people often say them together).

non erosive arthropathy with ulnar deviation ofthe 2nd-5th fingers atthe MCP joint.

POST Rheumatic Fever

Question 3

Mixed Connective Tissue Disease

Answer 3

Ribonucleoprotein (RNP) - and therefore serology is essential to the diagnosis.

Question 4

Juvenile Idiopathic Arthritis

Answer 4

< 16

What you see is a washed out hand
that has a proximal distribution (carpals are jacked), and is ankylosed (premature fusion of growth plates).

In the knees, you see enlargement of the epiphyses and widened intercondvlar notch - similar to findings in hemophilia.

Question 5

“Epiphyseal Overgrowth’

Answer 5

Juvenile Idiopathic Arthritis

Question 6

Amyloid Arthropathy

Answer 6

Dialysis

Bilateral shoulders, hips, carpals and knees

Carpal Tunnel Syndrome

Preserved Joint space

Question 7

Pituitary Gigantism

Answer 7

“wideningof the joint space in an adult hip” - can be a classic buzzword. Late in the game, the cartilage will actually outgrow its blood supply and collapse, leading to early onset osteoarthritis