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J Wrist Surg 2022; 11(06): 546-549
DOI: 10.1055/s-0041-1740137
Case Report

Bilateral STT Arthrodesis in a Young Patient with Occult Proximal Row Coalition

Rupert M.H. Wharton 
1   Department of Hand Surgery, Pulvertaft Hand Centre, Royal Derby Hospital, Derby, United Kingdom
2   Department of Trauma and Orthopaedics, The Hillingdon Hospitals NHS Foundation Trust, Uxbridge, United Kingdom
,
David Ahearne
2   Department of Trauma and Orthopaedics, The Hillingdon Hospitals NHS Foundation Trust, Uxbridge, United Kingdom
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Abstract

Background Carpal coalitions have an incidence of 0.1 to 1% in Caucasians and up to 8 to 9% in African populations. They rarely cause clinical problems requiring investigation or treatment, but are commonly identified on imaging obtained for other indications.

Case Description We report a case of a 35-year-old male with progressive degenerative change of incomplete coalitions of the scaphotrapeziotrapezoid joint (STT) in the presence of bilateral complete osseous lunate–triquetral coalitions (Minnaar type 4). He was successfully treated with staged bilateral arthrodesis with excellent symptom resolution and preservation of function.

Literature Review In patients with isolated STT coalition six reports of surgery exist, two of which were for arthrodesis. This is the first described case of STT arthrodesis in a patient with coexistent lunate–triquetral coalition.

Clinical Relevance The STT arthrodesis remains a safe and effective treatment for STT pain even in cases of occult carpal coalition. Functional range of movement was well preserved.

Level of evidence This is a Level V study.

Keywords

arthritis - arthrodesis - coalition - lunate–triquetral - scaphotrapeziotrapezoid joint

Note

This work was conducted at The Hillingdon Hospital, Uxbridge, United Kingdom.




Publication History

Received: 29 May 2021

Accepted: 12 October 2021

Article published online:
13 December 2021

© 2021. Thieme. All rights reserved.

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