Anatomic and CT scan assessment of Teres Minor: A new index of trophicity - 06/06/13
, O. Boniface a, X. Demondion b, J.-Y. Deladerrière a, T. Vervoort a, A. Cotten c, C. Maynou a
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Summary |
Introduction |
The present study reports the development of a CT assessment protocol for Teres Minor (TM) trophicity.
Hypothesis |
Quantitative reproductible Terres Minor assessment on CT estimates the influence of muscle trophicity on the clinical and radiological results of palliative treatment of irreparable rotator cuff tear.
Materials and method |
An anatomic study of 30 cadaveric shoulders confirmed a constant anatomic relation between Terres Minor and the inferior pole of the glenoid cavity. This landmark was used to develop a novel CT assessment of TM trophicity.
Results |
The CT assessment showed excellent inter- and intra-observer reproductibility. The protocol defines a trophicity index, T2/G (T2 being TM thickness on axial CT slice, and G the maximum glenoid cavity thickness on axial slice), enabling reproductible TM analysis on preoperative arthro-CT.
Conclusion |
The study validated the CT protocol, allowing application in pre- and postoperative assessment of irreparable rotator cuff tear.
Level of evidence |
Level IV. Retrospective study.
Le texte complet de cet article est disponible en PDF.Keywords : Shoulder, Rotator cuff, Teres minor, CT scan
Plan
Vol 99 - N° 4
P. 449-453 - juin 2013 Retour au numéro
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