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Updated: Dec 10, 2025

Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity
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Four-Corner Arthrodesis Using a Dedicated Dorsal Circular Plate.

Massimo Corain1, Roberta Sartore1, Mara Laterza1

  • 1University Hospital of Verona, Italy.

Hand (New York, N.Y.)
|August 27, 2020
PubMed
Summary

Scaphoid excision and 4-corner fusion using a circular locking plate effectively treats advanced carpal collapse. Most patients achieved fusion and returned to work, demonstrating the procedure

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The Adaptive Proximal Scaphoid Implant: Long-Term Follow-Up.

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Treatment of Severe Dupuytren Disease in Two Steps: Progressive Distraction With External Fixator and Percutaneous Needle Fasciotomy.

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Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Biomechanics

Background:

  • Scaphoid excision and 4-corner fusion is a standard treatment for advanced carpal collapse.
  • Evaluating novel surgical techniques is crucial for improving patient outcomes.

Purpose of the Study:

  • To assess the effectiveness of the latest generation Flower circular locking plate for scaphoid excision and 4-corner fusion.
  • To determine fusion rates and functional recovery after this procedure.

Main Methods:

  • A cohort of 12 patients underwent scaphoid excision and 4-corner fusion with the Flower circular locking plate.
  • Patients had either scapholunate advanced collapse or scaphoid nonunion advanced collapse.
  • Computed tomography scans were used to evaluate fusion achievement.
Keywords:
4-cornerSLACSNACcarpal arthrodesisplate

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Main Results:

  • A high fusion rate was observed, with only 2 out of 12 patients not achieving complete fusion.
  • All patients who achieved successful fusion returned to their previous work and manual activities.

Conclusions:

  • Four-corner arthrodesis utilizing a circular locking plate is a viable surgical option for carpal arthritic collapse.
  • This technique demonstrates promising results for restoring function in patients with advanced carpal collapse.