The Lego Block Technique: A Novel Method of Shaping Autogenous Bone Graft for Narrow Glenoids with Severe Bone Defects in Reverse Shoulder Arthroplasty.

Authors

Soo-Young Jeong, Il-Han Joo, Bong Gun Lee

Published in

Clinics in orthopedic surgery. Volume 18. Issue 4. Pages 771-775. Epub Jan 29, 2026.

Abstract

In cases with complex glenoid bone defects, bony increased-offset reverse shoulder arthroplasty can restore glenoid bone stock and improve stability using autografts harvested from the humeral head. However, conventional grafting methods may be insufficient when glenoid defects or deformities are complex. We present a novel bracket-shaped bone grafting technique applied in a patient with advanced rheumatoid arthritis and significant glenoid erosion. The graft was sculpted from the resected humeral head to match the glenoid defect in a Lego block-like fashion, resulting in stable fixation and favorable clinical outcomes.

PMID:
42553873
Bibliographic data and abstract were imported from PubMed on 05 Aug 2026.

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