Difference between revisions of "Osteoarthritis"

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1,561 bytes added ,  03:40, 18 June 2014
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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      = Degenerative joint disease - severe - alt -- low mag.jpg
| Width      =
| Caption    = Severe degenerative joint disease. [[H&E stain]].
| Synonyms  =
| Micro      = vertical clefts of the cartilage, +/-thickening of [[bone|bony]] trabeculae, subchondral cysts (where there is cartilage loss), +/-mild inflammation (lymphocytes), +/-villous hyperplasia (synovium has finger-like projections into the joint space), osteophytes (ossified projections at the edge of the articular cartilage)
| Subtypes  =
| LMDDx      = [[rheumatoid arthritis]], infectious arthritis, arthritis secondary to other disease (IBD, rheumatologic condition), trauma/deformity related, [[AVN]]-related
| Stains    =
| IHC        =
| EM        =
| Molecular  =
| IF        =
| Gross      = thinning/loss of cartilage, osteophyte formation, subchondral cysts, subchondral sclerosis
| Grossing  =
| Site      = [[joints]], e.g. [[femoral head]], knee, shoulder
| Assdx      = trauma to joint, [[obesity]] (for knees), congenital disease ([[SCFE]], [[Legg–Calvé–Perthes disease]]), complication of [[avascular necrosis of the femoral head]]
| Syndromes  =
| Clinicalhx = old age
| Signs      = joint pain
| Symptoms  =
| Prevalence = very common
| Bloodwork  =
| Rads      = joint space narrowing, osteophyte formation, subchondral cysts, subchondral sclerosis
| Endoscopy  =
| Prognosis  = benign
| Other      =
| ClinDDx    = other types of [[arthritis]]
| Tx        = pain medications, joint replacement
}}
'''Osteoarthritis''', abbreviated '''OA''', is a degenerative disease of the joint.
'''Osteoarthritis''', abbreviated '''OA''', is a degenerative disease of the joint.


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