Scaphotrapeziotrapezoid (STT) Arthritis

Arthritis of this joint rarely occurs in isolation, and although a part of the wrist, mainly affects the thumb. Symptoms are very similar to those for CMCJ osteoarthritis, with pain worsening after excessive use or force applied to the thumb in closing or opening jars or holding onto a handle tightly.The pain may radiate up the palmar side of the wrist, as a prominent tendon runs right over the joint and may become inflamed and painful. Patients may experience pain with any activity involving resisted wrist flexion.

  • Management

Non-operative management involves avoidance of actions that cause pain, rest, a steroid injection to alleviate the inflammation and some patients benefit from using a splint. However this is a progressive disease and once these measures no longer provide adequate relief, a small operation to remove a piece of the scaphoid bone provides relief by removing the offending surface of the bone grinding that causes the pain.

Conditions Managed

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