What is de Quervain's tenosynovitis?
Quervain's (say "duh-kair-VANZ") tenosynovitis, also called De Quervain's, is a problem that makes the bottom of
your thumb and the side of your wrist hurt. When you have
de Quervain's, the ropey fiber (tendon) that helps move your thumb away from your
fingers becomes swollen. See a picture of
de Quervain's .
What causes de Quervain's?
People can get de Quervain's when they
hurt or use the thumb or wrist too much. Common activities that need your wrist
and thumb can cause the problem. Some activities that might cause de Quervain's
- Wringing out wet
heavy objects such as a jug of milk, taking a frying pan off of the stove, or
lifting a baby out of a crib.
If you are pregnant or if you have
rheumatoid arthritis, you are more likely to get de
Quervain's. More women than men have de Quervain's. You can get
the disease at any age. Most people who have de Quervain's are women
between the ages of 30 and 50.
What are the symptoms?
De Quervain's may cause pain when you
twist your wrist. You might also have pain if you grab something between your
thumb and finger. Many people hear a funny sound like a squeak, crackle, snap,
or creak when they move the wrist or thumb.
The bottom of the
thumb or the side of the wrist might also be sore or swollen. This can make it
hard to move your thumb or wrist. The back of the thumb and index finger may
also feel numb. Sometimes de Quervain's can cause a
small bump on the thumb side of the wrist. If you don't get
treatment, the pain can spread up your forearm or down into your thumb.
How is de Quervain's diagnosed?
Your doctor will check for swelling, tenderness, or numbness around the base of the thumb. There may also be crackling or popping when you move your thumb.
doctor may or may not use the Finkelstein test to help diagnose de Quervain's. To do this test, make a fist with your thumb inside. Then bend your
wrist outward toward your little finger. If you feel pain on the thumb side of
your wrist, then you most likely have de Quervain's.