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The cysts may intrude into the spine, which may cause pain and dysesthesia in distant extremities. [ 20 ] Cystic adventitial disease , in which a cyst occurs within the popliteal artery near the knee, has been proposed recently to occur by an articular mechanism, with a conduit leading from the joint, similar to the development of ganglion ...
They are seen in osteoarthritis, where they are caused by the formation of calcific spurs of the articular (joint) cartilage. Much less commonly, they may be seen in rheumatoid arthritis, where nodes are caused by antibody deposition to the synovium. A Bouchard's node on the proximal interphalangeal joint of the index finger of a 64 year old man.
The most common finger to be affected is the ring finger; the thumb and index finger are much less often affected. [13] The disease begins in the palm and moves towards the fingers, with the metacarpophalangeal (MCP) joints affected before the proximal interphalangeal (PIP) joints. [ 14 ]
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Infectious tenosynovitis in 2.5% to 9.4% of all hand infections. Kanavel's cardinal signs are used to diagnose infectious tenosynovitis. They are: tenderness to touch along the flexor aspect of the finger, fusiform enlargement of the affected finger, the finger being held in slight flexion at rest, and severe pain with passive extension.
Heberden's nodes typically develop in middle age, beginning either with a chronic swelling of the affected joints or the sudden painful onset of redness, numbness, and loss of manual dexterity. This initial inflammation and pain eventually subsides, and the patient is left with a permanent bony outgrowth that often skews the fingertip sideways.
Mallet finger is acquired due to injury to the thin extensor tendon that functions to straighten the end (DIP) joint of a finger. [8] Jamming of the finger induces a rupture of the extensor tendon or a broken bone at the tendon's site of attachment. [9] This results in a droopy and crooked appearance of the end joint of the finger, resembling a ...
Trigger finger, also known as stenosing tenosynovitis, is a disorder characterized by catching or locking of the involved finger in full or near full flexion, typically with force. [2] There may be tenderness in the palm of the hand near the last skin crease (distal palmar crease ). [ 3 ]