View source for Tenosynovitis

<section begin="orthopaedics" />* Tenosynovitis = tendovaginitis = inflammation of a tendon and its synovial sheath
* Females > males
* Etiology
** Repetitive use of tendon
** Rheumatological diseases
** Bacterial infection
* Tendons of the fingers and wrist are most commonly affected
* Clinical features
** Pain on passive extension of affected tendon
** Finger slightly flexed at rest
* Special types
** Stenosing tenosynovitis (trigger finger)
*** Thickening of one of the annular pulleys causes the finger to be locked in a flexed position
*** Idiopathic
*** Mostly affect ring finger or thumb (trigger thumb)
** De Quervain tenosynovitis
*** Thickening of the abductor pollicis longus and extensor pollicis brevis
*** Due to repetitive abduction and extension of the thumb
*** Causes swelling of radial styloid process
* Treatment
** Surgical incision of the affected tendon
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[[Category:Orthopaedics]]