ATHRITIC DISORDERS Flashcards
Traumatic, infectious, rheumatoid, crystals induced and degenerative are descriptions of what kind of arthritis?
Monoarthritis
What are 3 kinds of polyarthritis?
DJD
Inflammatory Joint Disease
Metabolic Deposition Disease
HADD stands for?
Hydroxyappetie Deposition Disease
What is HADD
calcifying tendinitis and bursitis
What is the most common joint affected by HADD
shoulder
What is the aetiology of HADD
unknown
Where is tendon calcification seen with HADD?
At the insertion site
How can you differentiate bursal deposition from tendon deposition with HADD
impossible
What is CPPD
Calcium PyroPhosphate Dihydrate
“pseudo-gout”
Where are deposits with CPPD
into cartilage in and around joints
knee and wrist
What are the 2 radiographic features of CPPD
chondrocalcinosis
pyrophosphate arthropathy
Chondrocalcinosis occurs where?
hyaline and fibrocartilage
Where is erosive RA seen? and what are the characteristics
PIPs and DIPs
bilateral, symmetrical
Who is EOA seen in?
females
What radiographic changes are seen in EOA?
DJD WITH bone erosions
Where do you see Gull Wing erosions?
DIPS
What are the 3 main DDX of EOA?
RA
psoriatic arthritis
non- inflammatory DJD
What does RA attack?
synovial tissue
Where does RA begin and how does it progress?
at IP and MCPs progresses proximally
Where are Haygarth’s nodules?
MCP’s
What is the 3 characteristics of Felty’s Syndrome?
- RA
- Leukopenia
- Splenomegaly
what are 6 pathologies associated with RA
- acute synovitis with edema
- synovial proliferation forms pannus
- marginal erosions
- cyst like cavities
- hyaline cartilage erodes and narrows
- joint fills with pannus
What are the radiographic findings of RA
- bilateral, symmetrical
- periarticular soft tissue swelling
- juxta-articular osteoporosis
- uniform loss of joint space
- marginal erosions (rat bite)
- deformity
- large pseudo-cysts
- ankylosis
How soon are changes irreversible in RA?
3-6 months
What joint is not involved in RA?
DIPS
