Joint and Soft Tissue Pathology I Flashcards
osteoarthritis
defective repair
osteoarthritis clinical
sx in 50yo
younger person with osteoarthritis
look for underlying cause**
heberden nodes
osteophytes at distal interphalangeal joint - common in women
DIP
osteoarthritis
PIP
rheumatoid arthritis
scope knee - see granulation tissue, red/ragged, bloody
osteoarthritis
ulnar deviation and PIP joint swelling
rheumatoid arthritis - autoimmun
rheumatoid arthritis
CD4 T cells autoimmune response
tx of RA
TNF antagonist
fibrous ankylosis
RA over time - cartilage destroyed and pannus bridges to opposing bone
can fusion - bony ankylosis if ossifies**
tell patient to stretch to avoid this
pannus
mass of edematous synovium in RA
rheumatoid subQ nodules
common cutaneous lesion with RA
resemble necrotizing granulomas
Rh factor
with RA
-increased risk for vasculitis
if see granuloma
need to acid fast stain
-to rule out TB
diagnosis of RA
Xray findings
sterile cloudy synovial fluid that is liquidy
Rh factor and anti-CCP Ab
anti-CCP Ab
screening test for RA
juvenile idiopathic arthritis
unknown cause
arthritis before age 16 for 6 weeks
more in large joints
often ANA seropositive