Orthopedics Book


Intersection Syndrome

Aka: Intersection Syndrome, Cross-over Tendinitis
  1. See Also
    1. Overuse Syndromes of the Hand and Wrist
  2. Epidemiology: Sports Affected
    1. Racquet sports
    2. Rowing
    3. Weight Training
  3. Pathophysiology
    1. Inflammation at intersection of compartment 1 and 2
    2. Dorsal Compartment 1 Tendons
      1. Abductor Pollicis longus
      2. Extensor Pollicis Brevis
    3. Dorsal Compartment 2 Tendons
      1. Extensor Carpi Radialis Longus
      2. Extensor Carpi Radialis Brevis
  4. 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
  5. Differential Diagnosis
    1. De Quervain's Tenosynovitis
  6. Management
    1. Rest
    2. Splinting
    3. Cold Therapy
    4. Consider surgical management in refractory cases

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