ArticleJournal of surgical case reports2026
Natural reverse shoulder joint following a conservatively treated proximal humeral fracture in adolescence-a 46-year follow-up case report.
Article in Journal of surgical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
We report a case of a naturally-developed reverse shoulder joint following a proximal humeral fracture sustained at the age of 16 years and managed non-operatively. Over time, progressive post-traumatic remodelling resulted in an inversion of the native glenohumeral anatomy, resembling the biomechanical configuration of a reverse shoulder arthroplasty as originally described by Grammont. The humeral head remodelled into a concave socket-like structure, while the glenoid progressively assumed a convex articulation. At 46 years of follow-up, the patient demonstrated an unusual pattern of glenohumeral osteoarthritis but remained pain-free, with a functional shoulder (Constant score 69). To our knowledge, this is the first reported case of a post-traumatic native reverse shoulder joint resulting from an adolescent proximal humeral fracture with long-term follow-up.
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