De Quervain syndrome

De Quervain Syndrome

De Quervain Syndrome (pronounced as deh-kwer-vains), also known as De Quervain's Tenosynovitis, is a painful condition affecting the tendons on the thumb side of your wrist.

Etymology

The condition is named after the Swiss surgeon Fritz de Quervain who first identified the condition in 1895.

Definition

De Quervain Syndrome is a tendinopathy involving the inflammation of two tendons that control movement of the thumb. These tendons include the Abductor Pollicis Longus and the Extensor Pollicis Brevis.

Symptoms

Symptoms of De Quervain Syndrome include pain and swelling near the base of the thumb, difficulty moving the thumb and wrist when grasping or pinching, and a "sticking" or "stop-and-go" sensation in the thumb when trying to move it.

Causes

The exact cause of De Quervain Syndrome is unknown. However, it is often associated with overuse of the wrist, especially in activities that involve repetitive hand or wrist movements. Other potential causes include direct injury to the wrist or tendon; inflammatory arthritis, such as rheumatoid arthritis; and pregnancy.

Diagnosis

Diagnosis of De Quervain Syndrome is typically based on the symptoms and physical examination of the patient. A common test used to diagnose this condition is the Finkelstein test, which involves bending your thumb across the palm of your hand and bending your fingers down over your thumb.

Treatment

Treatment for De Quervain Syndrome may include medications, physical therapy, and in severe cases, surgery. The goal of treatment is to reduce inflammation, preserve movement in the thumb and prevent recurrence.

Related Terms

• Tendinopathy
• Fritz de Quervain
• Abductor Pollicis Longus
• Extensor Pollicis Brevis
• Rheumatoid arthritis
• Finkelstein test

External links

• Medical encyclopedia article on De Quervain syndrome
• Wikipedia's article - De Quervain syndrome

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