disorders of the hand Flashcards
what are the three group of muscles of the hand ?
long extensors
long flexors
intrinsic muscles
where does a ganglion cyst arise from ?
joint or tendon sheath
what are the causes of ganglion cysts ?
trauma
mucoid degeneration
synovial herniation
what is the most common place for ganglion cysts ?
scapholunate joint
dorsal wrist ganglion
what is the treatment for ganglion cysts ?
watch and wait aspirate
may need surgical excision
what is de quervain tenosynovitis ?
stenosing tenosynovitis of the first dorsal extensor compartment
what are the risk factors for De Quervain’s tenosynovitis ?
overuse
post traumatic
postpartum
how is a diagnosis of De Quervain’s tenosynovitis made ?
radial sided wrist pain made worse with finkelstein maneuver (ulnar deviation of a closed wrist )
what is trigger finger ?
inhibition of smooth tendon gliding due to mechanical impingement at the level of A1 pulley
what are the types of trigger fingers ?
congenital of the thumb - usually resolve
acquired - middle aged
what is the management of trigger finger ?
conservative - steroid injection
surgical - release of A1 pulley
what are the common congenital hand anomalies ?
polydactyly
syndactyly
congenital trigger thumb
what is dupuytren’s disease ?
benign proliferative disorder , characterized by decreased hand function caused by hand contractures and painful fascial nodules
what are the anatomic location of dupuytren’s disease ?
ring
small
middle
in that order
what are the risk factors of dupuytrens disease ?
alcohol
genetic
geographical