De Quervain's Tenosynovitis
Upper LimbOverview
De Quervain's tenosynovitis is an inflammatory condition affecting the first dorsal compartment of the wrist, involving the abductor pollicis longus (APL) and extensor pollicis brevis (EPB) tendons. It presents with pain and swelling over the radial styloid process, typically triggered by repetitive thumb and wrist movements. The condition is common in new mothers, manual workers, and individuals with excessive gripping or pinching activities.
Pathophysiology
Repetitive thumb abduction and wrist extension cause microtrauma to the APL and EPB tendons within the first dorsal compartment, leading to inflammation, tenosynovitis, and subsequent thickening of the sheath. Anatomical variations in the compartment, reduced space, and increased compartment pressure exacerbate the condition. Chronic inflammation can lead to adhesion formation between tendon and sheath, restricting gliding and perpetuating pain.
Patient Education
Avoid repetitive pinching and gripping activities; relative rest combined with gentle movement encourages healing without causing tendon atrophy.
Typical Presentation
Site
Radial-sided wrist pain over the styloid process, extending into the thumb base and lower forearm; pain is localized to the first dorsal compartment
Quality
Aching, burning, or sharp pain with activity; may include clicking or catching sensation with thumb movement
Intensity
Mild to moderate pain (3-7/10); increases with aggravating activities and may progress to constant ache if untreated
Aggravating
Repetitive thumb abduction and flexion; gripping or pinching; radial wrist deviation; activities requiring combined wrist and thumb movement; cold exposure
Relieving
Rest and immobilization; ice application; anti-inflammatory measures; thumb splinting in neutral position; avoiding triggering activities
Associated
Swelling and erythema over radial styloid; positive Finkelstein test; reduced grip strength; functional limitation in thumb opposition and pinching; possible crepitus on palpation
Orthopaedic Tests
Finkelstein's Test
Procedure
Forearm in neutral rotation, wrist in neutral. The examiner grasps the patient's thumb and gently moves the hand into ulnar deviation, taking the thumb into flexion and adduction. This is Finkelstein's original description.
Positive Finding
Sharp pain over the radial styloid along the first dorsal compartment tendons (abductor pollicis longus and extensor pollicis brevis), reproducing the patient's pain.
Interpretation
Supports de Quervain's tenosynovitis. Pain can also come from the thumb base (CMC joint) or other radial-sided wrist structures, so check exactly where it hurts and compare with the other side. The reference previously shown for this test could not be matched to any published paper and has been withdrawn. A literature search (Europe PMC, September 2026) found no study reporting the diagnostic accuracy of this test, so no figure is shown. Note: the manoeuvre commonly taught as Finkelstein's (thumb tucked into the fist, then ulnar deviation) is Eichhoff's test; Finkelstein's original description differs.
Eichhoff's Test
Procedure
The patient tucks the thumb into the palm and closes the fingers over it. The examiner then moves the wrist into ulnar deviation.
Positive Finding
Pain over the radial styloid along the first dorsal compartment, reproducing the patient's familiar pain.
Interpretation
Supports de Quervain's tenosynovitis. It stretches the tendons hard and can be uncomfortable in unaffected wrists too, so compare with the other side and judge whether it reproduces the patient's own pain. The reference previously shown for this test could not be matched to any published paper and has been withdrawn. No accuracy figure is shown because none has yet been checked against a study.
Radial Fillet Sign (Palpation)
Procedure
Palpate the first dorsal compartment over the radial styloid and just proximal to it, following the abductor pollicis longus and extensor pollicis brevis tendons. Compare with the other side.
Positive Finding
Localised tenderness, often with palpable thickening of the tendon sheath, over the radial styloid.
Interpretation
Local tenderness with sheath thickening supports de Quervain's tenosynovitis. Tenderness a few centimetres more proximal, where the thumb tendons cross the radial wrist extensors, points to intersection syndrome instead. 'Radial fillet sign' is not a standard name; this is palpation of the first dorsal compartment. A literature search (Europe PMC, September 2026) found no study reporting the diagnostic accuracy of this test, so no figure is shown.
Crepitus Test
Procedure
Rest your fingers over the first dorsal compartment while the patient repeatedly moves the thumb through abduction–adduction and flexion–extension.
Positive Finding
Palpable creaking or grating over the first dorsal compartment with thumb movement.
Interpretation
Crepitus is an occasional supporting finding in tenosynovitis; its absence means little. Crepitus felt a few centimetres above the wrist on the back of the forearm suggests intersection syndrome.
Radial Deviation with Thumb Opposition Test
Procedure
Not a recognised named test. One reasonable version: the patient holds a firm pinch between thumb and index finger and moves the wrist from neutral into radial deviation against light resistance, loading the first dorsal compartment tendons.
Positive Finding
Pain over the first dorsal compartment during the resisted movement.
Interpretation
Pain on loading supports first dorsal compartment irritation, but this is not a validated test. Rely on Finkelstein's or Eichhoff's test and local palpation instead.
Wrist Ulnar Deviation with Thumb Flexion
Procedure
The examiner holds the patient's thumb flexed across the palm (without asking the patient to make a fist) and gently moves the wrist into ulnar deviation.
Positive Finding
Pain over the radial styloid along the first dorsal compartment.
Interpretation
A variant of Finkelstein's and Eichhoff's tests that stretches the same tendons. It adds little if either of those has already been done.
⚠ Red Flags
- •Severe swelling with signs of compartment syndrome or vascular compromise
- •Systemic symptoms suggesting rheumatoid arthritis or other inflammatory arthropathy
- •Traumatic onset with associated fracture
- •Signs of infection (fever, spreading erythema, warmth)
- •Neurological symptoms suggesting nerve compression
- •Failure to improve after 6-8 weeks of conservative treatment with imaging findings suggesting advanced pathology
⚡ Yellow Flags
- •High job demand with limited accommodation for modification
- •Catastrophizing about loss of hand function
- •Poor adherence to activity modification due to occupational pressure
- •Significant psychological distress related to functional limitation
- •Belief that condition requires early surgery despite good conservative prognosis
Osteopathic Techniques
Region
First dorsal compartment and radial wrist
Technique
Rationale
Gentle soft tissue mobilization reduces muscular tension in APL and EPB, improves lymphatic drainage, and decreases inflammation without stressing the inflamed tendon-sheath interface
Region
Wrist and thumb articulations
Technique
Rationale
Gentle, controlled articulation of the wrist and thumb maintains synovial fluid distribution, prevents adhesion formation, and maintains proprioceptive input without aggravating inflammation
Region
Radial and ulnar forearm, wrist
Technique
Rationale
Muscle energy techniques normalize tension in forearm extensors and abductors, reduce compensatory restrictions, and improve neuromuscular control of thumb abduction
Region
Cervical spine and shoulder girdle
Technique
Rationale
Upper kinetic chain restrictions contribute to compensatory wrist and thumb stress; releasing cervical and shoulder tension reduces referred tension in forearm compartments
Region
Lymphatic drainage of forearm and wrist
Technique
Rationale
Gentle lymphatic techniques enhance clearance of inflammatory mediators and reduce local swelling, supporting resolution of tenosynovitis
Region
Radial and ulnar nerves at wrist
Technique
Rationale
Functional techniques optimize neural mobility and reduce mechanoreceptor irritation, improving pain modulation and proprioception
Rehabilitation Exercises
Thumb Passive Flexion and Extension
Thumb Adduction Stretch (Closed Fist)
Wrist Radial Deviation Stretch
Thumb Extension Stretch (Palmar Fold)
Thumb Abduction Isometric Hold
Thumb Opposition Against Resistance
Forearm Pronation and Supination with Light Weight
Wrist Neutral Position Awareness and Splinting Education
Thumb Circumduction (Active Gentle Pendulum)
Finger Dexterity Exercises with Light Objects
Ergonomic Activity Modification and Grip Pattern Retraining
Progressive Gripping Exercises with Therapy Putty
Referral Criteria
- •Failure to improve after 8-12 weeks of conservative management
- •Severe functional limitation affecting work or daily activities despite treatment
- •Clinical or imaging evidence of rupture or advanced degenerative changes
- •Signs of systemic inflammatory condition (rheumatoid arthritis, lupus) requiring investigation
- •Compartment syndrome or vascular compromise requiring emergency assessment
- •Persistent symptoms warranting consideration of corticosteroid injection or surgical intervention
- •Associated neurological symptoms suggesting nerve entrapment (thoracic outlet syndrome, carpal tunnel)