Wrist

Intersection Syndrome

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Intersection Syndrome, Cross-over Tendinitis, Tenosynovitis of the Radial Wrist Extensors, Extensor Tenosynovitis of Wrist

  • See Also
  1. Overuse Syndromes of the Hand and Wrist
  • Causes
  1. Occupational
    1. Sledgehammer use
  2. Sports
    1. Racquet sports
    2. Rowing (Oarsman Syndrome)
    3. Weight Training
  • Pathophysiology
  1. Tenosynovitis of the Radial Wrist Extensors
  2. Inflammation at intersection of compartment 1 and 2
  3. Dorsal Compartment 1 Tendons
    1. Abductor Pollicis longus
    2. Extensor Pollicis Brevis
  4. Dorsal Compartment 2 Tendons
    1. Extensor Carpi Radialis Longus
    2. Extensor Carpi Radialis Brevis
  • Symptoms
  1. Crepitus with wrist or hand movement
  2. Focal symptoms at dorsolateral wrist at base of thumb
    1. Local swelling and redness
    2. Local discomfort with radiation into thumb
  • Differential Diagnosis
  1. De Quervain's Tenosynovitis
  • Management
  1. Rest
  2. Splinting
  3. Cold Therapy
  4. Consider surgical management in refractory cases