Three-Dimensional Magnetic Resonance Imaging of Glenohumeral Dysplasia in Neonatal Brachial Plexus Palsy

The Journal of Bone and Joint Surgery. American Volume
Emily A EismannRoger Cornwall

Abstract

Existing quantitative measurements of glenohumeral dysplasia in children with unresolved neonatal brachial plexus palsy (NBPP) have been mostly limited to the axial plane. The purpose of this study was to describe the three-dimensional (3D) pathoanatomy of glenohumeral dysplasia using 3D magnetic resonance imaging (MRI) reformations. 3D MRI reformations of the scapula, glenoid labrum, and proximal part of the humerus were created from a volume-acquisition proton-density-weighted MRI sequence of both the affected and the unaffected shoulder of seventeen children less than six years of age with unresolved NBPP who had not undergone shoulder surgery. Glenoid retroversion and posterior humeral head displacement were measured on axial 2D images. Humeral head displacement in all planes, labral circumference, glenoid retroversion, glenoid declination, and scapular morphometric values were measured on 3D reformations. Contiguity of the humeral head with the labrum and the shape of the glenoid were classified. Measurements were compared between the affected and unaffected sides. On 3D evaluation, the humeral head was completely posteriorly translated in ten patients but was never outside the glenoid labrum. Instead, in these patients, t...Continue Reading

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Citations

Dec 16, 2017·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Kelsey HennenKatherine Saul
Apr 1, 2018·Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology·Airam RodríguezAndré Chiaradia
Feb 1, 2017·Physiological Measurement·Judy MahonDara Meldrum
Jul 4, 2020·JBJS Reviews·Sandra SchmiegApurva S Shah
Dec 29, 2020·The Journal of Hand Surgery·Nikhil N DixitKatherine R Saul
Sep 16, 2021·The Journal of Hand Surgery, European Volume·Sergi Alabau-RodriguezFrancisco Soldado

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