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Uncemented three-dimensional-printed prosthetic replacement for giant cell tumor of distal radius: a new design of prosthesis and surgical techniques

Authors Lu MX, Min L, Xiao C, Li YJ, Luo Y, Zhou Y, Zhang WL, Tu CQ

Received 14 July 2017

Accepted for publication 20 December 2017

Published 8 February 2018 Volume 2018:10 Pages 265—277

DOI https://doi.org/10.2147/CMAR.S146434

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Antonella D'Anneo


Minxun Lu,* Li Min,* Cong Xiao, Yongjiang Li, Yi Luo, Yong Zhou, Wenli Zhang, Chongqi Tu

Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, People’s Republic of China

*These authors contributed equally to this work

Introduction:
Currently, it is challenging to treat giant cell tumor (GCT) of distal radius. For Campanacci grade III or recurrent GCTs, en bloc resection has been accepted as a better treatment option. Although numerous methods are available for reconstruction, all of them have some limitations in joint function and complications. In this study, our aims were to treat the GCT of distal radius with uncemented three-dimensional (3D)-printed prosthesis and to present and evaluate the surgical techniques and short-term outcomes.
Methods: Between September 2015 and March 2017, 11 patients with distal radius GCTs were treated with personalized uncemented 3D-printed prosthesis. The preoperative/postoperative pain, range of motion, and grip strengths of all patients were evaluated. Oncological results, complications, and degenerative changes in the wrist joint were evaluated. Functional outcomes were assessed according to the disabilities of the arm, shoulder, and hand (DASH) questionnaire and Mayo wrist scoring systems.
Results: The average follow-up was 14.45 months (range, 8–18 months). There was a significant decrease in the mean postoperative visual analog scale score (2.33) compared with the preoperative score (5.22; p<0.001). The mean DASH score and Mayo wrist score of the wrist joint function were 18.7 and 72, respectively. There was no local recurrence or lung metastasis. No complication associated with prosthesis was observed, including aseptic loosening, subluxation, and breakage. Joint space narrowing, or disuse osteoporosis, was also not found in all cases.
Conclusion: En bloc resection and reconstruction with a personalized uncemented 3D-printed prosthesis can be alternative options to treat Campanacci grade III or recurrent GCTs of distal radius and can result in short-term oncologic salvage, good postoperative function, and low complication rate. However, a long-term follow-up is required to determine the outcome.

Keywords: rapid prototyping, computer-aided design, cementless, uncemented, polyethylene liner

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