ArticleEuropean journal of orthopaedic surgery & traumatology : orthopedie traumatologie2023
The tangential view described by Moneim to demonstrate scapholunate dissociation: an update.
Article in European journal of orthopaedic surgery & traumatology : orthopedie traumatologie, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- The tangential view described by Moneim to demonstrate scapholunate dissociation: an update.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2023Article
- A radiographic study of dorsovolar wrist axes and a database of angular measurements on axial computed tomography images.Joint diseases and related surgery · 2023Article
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4 authors.
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Abstract
purposeScapholunate dissociation is a common and significant injury to the wrist. Radiographs are important in the diagnosis of this injury and in the planning of treatment. The tangential radiograph view was described almost 40 years ago as a method for accurately measuring scapholunate gaps. The hand is positioned on a 20° foam rubber block and the thumb on the cassette, which positions the scaphoid and lunate articular surfaces parallel, without patient discomfort or effort. The goal of this study was to review this method with more recent data and in a larger group of patients.
methodsRadiographs of 31 patients who had scapholunate interosseous ligament tears and surgical repair over a 9 year period were retrospectively evaluated. Each of the four authors independently measured scapholunate gaps for posteroanterior and tangential views.
resultsThe tangential view gaps were significantly greater than the posteroanterior gaps overall. Similar results were found for borderline cases where the posteroanterior gap was less than 3 mm. Every tangential view gap measurement was greater than its respective posteroanterior gap with good inter-rater reliability.
conclusionThe tangential view is a reliable radiographic method to identify scapholunate gaps. It should be obtained when there is clinical concern for scapholunate dissociation, especially in patients with borderline posteroanterior gaps.
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