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Difference between revisions of "Osteoarthritis"
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*Advanced age. | *Advanced age. | ||
*Trauma. | *Trauma. | ||
*Unusual loading (bony misalignment, obesity). | *Unusual loading (bony misalignment, [[obesity]]). | ||
==Gross pathology/radiology== | ==Gross pathology/radiology== | ||
Features:<ref name=pmid11476273>{{Cite journal | last1 = Swagerty | first1 = DL. | last2 = Hellinger | first2 = D. | title = Radiographic assessment of osteoarthritis. | journal = Am Fam Physician | volume = 64 | issue = 2 | pages = 279-86 | month = Jul | year = 2001 | doi = | PMID = 11476273 | url= http://www.aafp.org/afp/2001/0715/p279.html }}</ref> | Features - joints (internal):<ref name=pmid11476273>{{Cite journal | last1 = Swagerty | first1 = DL. | last2 = Hellinger | first2 = D. | title = Radiographic assessment of osteoarthritis. | journal = Am Fam Physician | volume = 64 | issue = 2 | pages = 279-86 | month = Jul | year = 2001 | doi = | PMID = 11476273 | url= http://www.aafp.org/afp/2001/0715/p279.html }}</ref> | ||
#Loss of cartilage, especially asymmetrical. | #Loss of cartilage, especially asymmetrical. | ||
#*Marble-like appearance - polished appearance known as ''eburnation''. | #*Marble-like appearance - polished appearance known as ''eburnation''. | ||
| Line 24: | Line 24: | ||
**They tend to form in areas with high loading. | **They tend to form in areas with high loading. | ||
*Subchondral cysts are also seen in [[rheumatoid arthritis]].<ref name=pmid404905/> | *Subchondral cysts are also seen in [[rheumatoid arthritis]].<ref name=pmid404905/> | ||
Clinical findings (external): | |||
*Heberden's node - swelling of distal interphalangeal joints. | |||
==Microscopic== | ==Microscopic== | ||