Periprosthetic complications after trapeziometacarpal arthroplasty mostly require revision surgery to restore function. An unstable cup in the trapezium is typically surgically managed by trapeziectomy. This report highlights a possible alternative to maintain the implant by reconstruction of the trapezium with corticocancellous autograft.

Trapeziometacarpal arthroplasty

Prosthesis

Trapezium

Iliac crest graft

Distal radius

Bone graft

Revision

Cup

© 2025 The Author(s). Published by Elsevier Masson SAS on behalf of SFCM.