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Extension Osteotomy for Radiolunate Joint Osteoarthritis
Koji Moriya1, Masahiko Yamada1, Yutaka Maki1
1Niigata Hand Surgery Foundation, Seiro-machi, Niigata, Japan.
Journal of Hand Surgery Global Online
|July 4, 2025
Summary
This study presents a case of radiolunate joint osteoarthritis treated with distal radius extension osteotomy. The procedure successfully relieved pain and preserved wrist motion, offering a potential surgical solution for specific bone morphology changes.
Area of Science:
- Orthopedic Surgery
- Hand and Wrist Surgery
- Osteoarthritis Research
Background:
- Radioscaphoid joint osteoarthritis is common, while radiolunate joint involvement is less frequent.
- Wrist osteoarthritis can stem from morphological changes like increased palmar tilt and ulnar-plus variance.
Observation:
- A 56-year-old male patient experienced progressive radiolunate joint osteoarthritis despite 7 years of conservative management.
- Radiographic findings included ulnar-plus variance, increased palmar tilt, and an ulnar head osteophyte.
Findings:
- Surgical intervention with a closed-wedged extension osteotomy of the distal radius was performed.
- Post-surgery, at 1 year and 3 months, the patient reported pain-free wrist motion, confirmed bony union, and preserved radiolunate joint space.
Implications:
- Distal radius extension osteotomy may be a viable surgical option for radiolunate joint osteoarthritis.
- This technique is particularly relevant for cases associated with specific bone morphology leading to increased palmar tilt.
- Further research could explore the long-term efficacy and broader applicability of this surgical approach.
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