Understanding De Quervain’s Tenosynovitis (Mummy Thumb)

Individuals with De Quervain’s tenosynovitis often experience pain and tenderness along the thumb and forearm, which may worsen with certain hand and wrist movements. The condition typically occurs as a result of repetitive hand or wrist activities, such as lifting, gripping, or pinching, leading to irritation and swelling of the tendons.

Treatment for De Quervain’s tenosynovitis usually involves a combination of rest, immobilization of the wrist, anti-inflammatory medications, and physical therapy exercises. In severe cases, surgical options may be considered to relieve the symptoms and restore healthy tendon function.

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With proper management and a gradual return to activities, most individuals with De Quervain’s tenosynovitis can expect significant relief from their symptoms and a return to normal hand and wrist function.

• Thumb pain
• Pain and swelling near the base of the thumb
• Difficulty gripping or pinching objects
• Increased pain with thumb and wrist movement
• Tenderness or discomfort when touching the affected area
• A popping or snapping sensation when moving the thumb
• Weakened grip strength
• Numbness or tingling in the thumb or fingers

To diagnose De Quervain’s Tenosynovitis, a healthcare professional may use the following information and methods:

1. Medical History: The doctor will inquire about the patient’s symptoms, duration, and any previous hand or wrist injuries. They may also ask about activities or occupations that involve repetitive thumb or wrist movements.
2. Physical Examination: The healthcare provider will perform a physical examination of the affected hand and wrist. This may involve evaluating the range of motion, checking for swelling or tenderness, and assessing the specific movements that elicit pain.
3. Finkelstein Test: This is a specific test for De Quervain’s Tenosynovitis. The patient will be asked to make a fist with the thumb positioned inside the closed fingers. Then, they will bend their wrist towards the little finger side. If this movement elicits sharp pain or discomfort on the thumb side of the wrist, it may suggest De Quervain’s Tenosynovitis.
4. Imaging Studies: In certain cases, imaging studies like X-rays or ultrasounds may be ordered to rule out other causes of wrist pain or to assess the severity of the condition. X-rays can help detect any bone abnormalities, while ultrasounds can visualize the thickening of tendon sheaths and the presence of inflammation.
5. Differential Diagnosis: It is crucial for the healthcare provider to differentiate De Quervain’s Tenosynovitis from other conditions with similar symptoms. These may include wrist tendonitis, arthritis, carpal tunnel syndrome, or ganglion cysts. Appropriate diagnostic tests may be performed to eliminate these alternatives.