Medicine (MD/DO)
Upper Extremity Disorders
De Quervain Tenosynovitis

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De Quervain Tenosynovitis

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De Quervain Tenosynovitis

Day Quiver-Vane Tiny-Snowmen
Inflammation of the Sheath
Sword Sheath in Flames

De Quervain tenosynovitis is an inflammation of the sheath that surrounds the tendons of the extensor pollicis brevis and abductor pollicis longus.

Extensor Pollicis Brevis
Extension-cord Police in Briefs

One of the tendons that gets inflamed in De Quervain Tenosynovitis is one from the extensor pollicis brevis.

Abductor Pollicis Longus
Abs Police in Long-johns

The other tendon involved in the pathophysiology of De Quervain Tenosynovitis is the one from the abductor pollicis longus.

Styloid Process of the Radius
Stylus Radio

The inflammation of the sheath occurs when the abductor pollicis longus and extensor pollicis brevis tendons pass through the styloid process of the radius.

Progressive Stenosis
Progressing Stenosis-Stone

As the tendons get inflamed, and this process progresses, the tendons get progressively compressed, causing pain.

Radial Styloid Process Pain
Radio Stylus Pain-bolt

As stenosis progresses, the compression of the tendons causes progressive and increasing pain in the styloid process of the radius that may radiate to the thumb or elbow.

Movement and Object Grasping Increase Pain
Dancing-character Grasping Object with Up-arrow Pain-bolt

In De Quervain Tenosynovitis, movement, as well as grasping of objects, increases pain.

New Mothers
Mother with Newborn

There are some groups with a higher propensity to develop this disease. New mothers are at risk of this disease.

Golfers and Tennis Players
Golfer Playing Tennis

Tennis players and golfers are also at increased risk of developing this disease.

"Thumb" Texters
Thumb Text

Thumb texters are also at risk of developing De Quervain Tenosynovitis.

Finkelstein Maneuver

Diagnosis of De Quervain Tenosynovitis is clinical. The examination involves the Finkelstein maneuver, which consists of asking the patient to hold the thumb in a fist while the examiner performs an ulnar deviation, eliciting pain.

Conservative Reagan

Initial treatment is conservative: it consists of NSAIDs and other analgesics, physical therapy, splintage, and steroid injections.

If conservative therapy fails, surgery can be performed. This surgery involves the surgical release of the tendons through an incision in the extensor retinaculum.


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