Upper limb arthritis Flashcards
What is a mucous cyst?
outpouching of synovial fluid from the DIP joint
What re the features of a mucous cyst?
may be painful; may fluctuate/discharge; may deform nail, cause ridge
What is the management for a mucous cyst?
may be left alone/ excision
What are ganglions?
outpouchings of synovial cavity
Where are ganglions more common?
where there is a high conc. of synovial joints eg wrist
What fills ganglions?
synovial fluid
What are the features of a ganglion?
usually painless, but may feel tight
What is the managemnt for a ganglion?
benign neglect; aspiration; excision
What do the flexor tendons run within in the finer?
flexor tendon sheath
What happens when there is swelling in a tendon?
the tendon can get caught on the pulleys
What is trigger finer
when there is pain over A1 pulley at the MC head and the finger gets stuck (usually in flexion)
Why does the finger usually get stuck in flexion
because tendon is going back through the pulley and gets stuck on the pulley edge
How can you distinguish trigger finger from Dupuytren’s?
trigger finger is painful and doesnt have the thickening of the fascia
What is the management for trigger finger?
often resolves spontaneously; splint to prevent flexion; tendon sheath steroid injection; cna have surgery to divide the pulley
What is deQuervains tenosynovitis?
tenosynovitis of the 2 tendon sheaths that are involved with movement of the humb- extensors compartment. entrapment tendinitis
