Quinn
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This question has more likely been asked....but, good to review.
What are the differences btw osteoarthritis and rheumatoid arthritis? 8)
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| Idiopathic
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The main ones:
OA - PIP/DIP joint involvement, joint destruction seen radiographically, morning stiffness gone <1 hour after waking.
RA - MCP/PIP joint involvement, pannus formation, IgM anti-IgG antibodies in synovial fluid, morning stiffness that lasts >1 hour after waking, ulnar deviation, carpal tunnel syndrome.
There are, of course, many others...
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| Quinn
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Great!
Also, with RA there is systemic system not found with OA. Namely, fever, fatigue, percarditis, and pleuritis. Is OA symetrical like RA?
What type of collagen gets damaged in OA?
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| Idiopathic
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isnt cartilage type II? i think it is type II collagen...there can be bilateral findings with OA, but I dont think it is the rule, like it is with RA.
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| mjl1717
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Cartilage {hydroxyproline is important stabilizer}
I-skin bone tendon cornea vessels
II-intervertebral disk,**Cartilage, vitreous body
II-fetal skin,vessels IV-basement membrane
With Rheumatoid think of it as being more symmetric
as Idiopathic says if its just one joint think more of Osteo
also with Osteo- bony sclerosis ,subchondral sclerosis, osteophytes
With Rheumatoid "Swan neck deformity"
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| shawn333
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thanks !!!!!!!!!!!!!!!!!!!!!!!
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| Quinn
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that is right idiopathic....type II
good going mjl1717....just for note the "swan neck deformity" is also called subluxation...just for everyones information.
great!!! :lol:
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| hiwa
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In the hand
OA Nodules (butchers and heberdins)
RA Deformities(Swn neck and Boutoniers )
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