Bouchard's nodes
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2008-06-17T16:45:17Z
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Reverted edits by [[Special:Contributions/75.38.164.108|75.38.164.108]] to last version by 195.234.202.146 (using [[WP:HG|Huggle]])
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'''Bouchard's nodes''' are hard, bony outgrowths or gelatinous [[cyst]]s on the [[proximal interphalangeal joint]]s (the middle joints of fingers or toes.) They are a sign of [[osteoarthritis]], and are caused by formation of [[calcification|calcific]] [[bone spur|spurs]] of the articular (joint) [[cartilage]].
Bouchard's nodes are comparable in presentation to [[Heberden's node]]s, similar osteoarthritic growths on the [[distal interphalangeal joint]]s, but are significantly less common.
==Eponym==
Bouchard's nodes are named after French [[pathologist]] [[Charles-Joseph Bouchard]] (1837-1915).<ref>{{WhoNamedIt|synd|1893}}</ref>
[http://content.revolutionhealth.com/contentimages/media-medical-hw-nr551642.jpg]
==References==
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==External links==
*[http://www.webmd.com/hw/health_guide_atoz/zm2488.asp Diagram of Heberden's and Bouchard's nodes] at [[WebMD]]
{{Diseases of the musculoskeletal system and connective tissue}}
[[Category:Medical signs]]
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