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Scaphotrapeziotrapezoidal arthritis

Dr Yuranga Weerakkody and Dr Henry Knipe et al.

Scaphotrapeziotrapezoidal (STT or triscaphe joint) arthritis is common, occurring in ~40% of wrist radiographs. It is typically degenerative (i.e. osteoarthritis) affecting the triscaphe articulation and presents with radial-sided wrist pain in patients over 50 years 1,2. It can be associated with DISI alignment 3.

Arthritides

Article information

rID: 32025
Synonyms or Alternate Spellings:
  • Scaphotrapeziotrapezoidal (STT) arthitis
  • STT arthritis
  • Scapho-trapezio-trapezoidal arthritis

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Cases and figures

  • Case 1
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  • Case 2
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  • Case 3: with distal radial fracture and 1st CMC arthritis
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