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Ekholm C, Sampson J. Ulnohumeral dislocation despite intact radiocapitellar joint: a rare Monteggia variant. Shoulder Elbow. 2016;9(1):42-45doi: 10.1177/1758573216673527.
Ekholm, C., & Sampson, J. (2017). Ulnohumeral dislocation despite intact radiocapitellar joint: a rare Monteggia variant. Shoulder & elbow, 9(1), 42-45. https://doi.org/10.1177/1758573216673527
Ekholm, Carl, and Sampson, Johan. "Ulnohumeral dislocation despite intact radiocapitellar joint: a rare Monteggia variant." Shoulder & elbow vol. 9,1 (2017): 42-45. doi: https://doi.org/10.1177/1758573216673527
Ekholm C, Sampson J. Ulnohumeral dislocation despite intact radiocapitellar joint: a rare Monteggia variant. Shoulder Elbow. 2017 Jan;9(1):42-45. doi: 10.1177/1758573216673527. Epub 2016 Oct 13. PMID: 28572849; PMCID: PMC5441618.
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Shoulder Elbow. 2017 Jan;9(1):42-45. doi: 10.1177/1758573216673527. Epub 2016 Oct 13.

Ulnohumeral dislocation despite intact radiocapitellar joint: a rare Monteggia variant.

Shoulder & elbow

Carl Ekholm, Johan Sampson

Affiliations

  1. Department of Orthopaedics, Sahlgrenska University Hospital, Göteborg, Sweden.

PMID: 28572849 PMCID: PMC5441618 DOI: 10.1177/1758573216673527

Abstract

We treated one patient with a mid-diaphyseal radius fracture and concomitant anteromedial facet fracture of the coronoid. The ulnohumeral joint was severely unstable by complete ligament detachment and interosseous membrane rupture. Despite this gross instability, the radiocapitellar was congruent and stable. The possible mechanism of radiocapitellar stability is discussed and the concept of concavity-compression stability across the radiocapitellar joint is emphasized.

Keywords: Monteggia variant; concavity compression; elbow posteromedial instability; radiocapitellar

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