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Updated: Jul 1, 2026

Integrated Bone Formation Through In Vivo Endochondral Ossification Using Mesenchymal Stem Cells
Published on: July 14, 2023
Finger joint reconstruction with costal osteochondral graft
Kazuki Sato1, Toshiyasu Nakamura, Noriaki Nakamichi
1Department of Orthopaedic Surgery, School of Medicine, Keio University, Shinjuku-ku, Tokyo, Japan. kazuki@sc.itc.keio.ac.jp
This study details using costal osteochondral grafts to repair finger joint cartilage defects. This surgical technique aims to restore joint stability and function, addressing pain and arthritis caused by cartilage damage.
Area of Science:
- Orthopedic surgery
- Hand surgery
- Regenerative medicine
Background:
- Finger joint cartilage defects can impair hand function and lead to degenerative arthritis.
- Precise anatomical restoration of finger cartilage is crucial for treating defects from trauma or other causes.
Purpose of the Study:
- To describe the history, indications, and surgical techniques of costal osteochondral grafting.
- To evaluate this method for treating cartilage disorders and defects in finger joints.
Main Methods:
- Retrospective review of 29 patients (30 joints) treated since 1997.
- Surgical repair of cartilage defects using costal osteochondral grafts.
- Total joint reconstruction for bony ankylosis in three patients.
Main Results:
- Successfully repaired cartilage defects in metacarpophalangeal and proximal interphalangeal joints.
- Utilized costal osteochondral grafts for joint reconstruction, including cases of bony ankylosis.
- Demonstrated a viable surgical approach for finger joint cartilage restoration.
Conclusions:
- Costal osteochondral grafting is an effective method for finger joint cartilage repair.
- This technique addresses cartilage defects, restores joint stability, and can be used for total joint reconstruction.
- The described surgical approach offers a solution for functional impairment due to finger joint cartilage disorders.
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