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High origin of the anterior band of the inferior glenohumeral ligament: MR arthrography with anatomic and histologic correlation in cadavers / Francisco Alejandro Ramírez Ruiz
Título : High origin of the anterior band of the inferior glenohumeral ligament: MR arthrography with anatomic and histologic correlation in cadavers Tipo de documento : documento electrónico Autores : Francisco Alejandro Ramírez Ruiz, Fecha de publicación : 2012 Títulos uniformes : Skeletal Radiology Idioma : Inglés (eng) Palabras clave : Shoulder Inferior glenohumeral ligament Labrum MRI Arthrography Resumen : Introduction: The anterior band of the inferior glenohumeral ligament has been described to arise from the anteroinferior labrum, but we have observed that in some persons its origin is from the anterior or anterosuperior labrum, creating diagnostic difficulties. Materials and methods: Ten fresh unembalmed cadaveric shoulders underwent magnetic resonance arthrography (MRA) using a posterior approach with a 1.5 T GE magnet, with the following sequences: T1-weighted fast spin-echo in axial, coronal and sagittal planes, and T1 fat-suppressed spin-echo in the axial plane (TR/TE 600/20, section thickness 2.5 mm, 0.5 mm interslice space, number of signals acquired, two, field of view 12 × 12 cm, and matrix 512 × 256 pixels). Following imaging, the shoulders were frozen and later sectioned using a band saw into 3-mm sections corresponding to the axial imaging plane. Histological analysis was also performed to determine the origin of the anterior band. Results: Four of the ten shoulders had an origin of the anterior band above or at the 3 o’clock position: one at the 1 o’clock position, two at the 2 o’clock position, and one at the 3 o’clock position. In another shoulder, the anterior band of the inferior glenohumeral ligament originated from the middle glenohumeral ligament, and in five other shoulders, the anterior band originated from the anteroinferior labrum as has been described in the literature. Conclusions: This finding is of clinical significance as a high origin of the anterior band of the inferior glenohumeral ligament leads to MR arthrographic finding that can simulate those of labral tears or detachments. Mención de responsabilidad : Francisco Alejandro Ramirez Ruiz, Beatriz Cristina Baranski Kaniak, Parviz Haghighi, Debra Trudell, Donald L Resnick Referencia : Skeletal Radiol. 2012 May;41(5):525-30. DOI (Digital Object Identifier) : 10.1007/s00256-011-1201-8 PMID : 21603871 En línea : http://link.springer.com/10.1007/s00256-011-1201-8 Enlace permanente : https://hospitalpablotobon.cloudbiteca.com/pmb/opac_css/index.php?lvl=notice_display&id=4506 High origin of the anterior band of the inferior glenohumeral ligament: MR arthrography with anatomic and histologic correlation in cadavers [documento electrónico] / Francisco Alejandro Ramírez Ruiz, . - 2012.
Obra : Skeletal Radiology
Idioma : Inglés (eng)
Palabras clave : Shoulder Inferior glenohumeral ligament Labrum MRI Arthrography Resumen : Introduction: The anterior band of the inferior glenohumeral ligament has been described to arise from the anteroinferior labrum, but we have observed that in some persons its origin is from the anterior or anterosuperior labrum, creating diagnostic difficulties. Materials and methods: Ten fresh unembalmed cadaveric shoulders underwent magnetic resonance arthrography (MRA) using a posterior approach with a 1.5 T GE magnet, with the following sequences: T1-weighted fast spin-echo in axial, coronal and sagittal planes, and T1 fat-suppressed spin-echo in the axial plane (TR/TE 600/20, section thickness 2.5 mm, 0.5 mm interslice space, number of signals acquired, two, field of view 12 × 12 cm, and matrix 512 × 256 pixels). Following imaging, the shoulders were frozen and later sectioned using a band saw into 3-mm sections corresponding to the axial imaging plane. Histological analysis was also performed to determine the origin of the anterior band. Results: Four of the ten shoulders had an origin of the anterior band above or at the 3 o’clock position: one at the 1 o’clock position, two at the 2 o’clock position, and one at the 3 o’clock position. In another shoulder, the anterior band of the inferior glenohumeral ligament originated from the middle glenohumeral ligament, and in five other shoulders, the anterior band originated from the anteroinferior labrum as has been described in the literature. Conclusions: This finding is of clinical significance as a high origin of the anterior band of the inferior glenohumeral ligament leads to MR arthrographic finding that can simulate those of labral tears or detachments. Mención de responsabilidad : Francisco Alejandro Ramirez Ruiz, Beatriz Cristina Baranski Kaniak, Parviz Haghighi, Debra Trudell, Donald L Resnick Referencia : Skeletal Radiol. 2012 May;41(5):525-30. DOI (Digital Object Identifier) : 10.1007/s00256-011-1201-8 PMID : 21603871 En línea : http://link.springer.com/10.1007/s00256-011-1201-8 Enlace permanente : https://hospitalpablotobon.cloudbiteca.com/pmb/opac_css/index.php?lvl=notice_display&id=4506 Reserva
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