3d ct assessment of the relationship between humeral head alignment and glenoid retroversion in...
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![Page 1: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/1.jpg)
3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in
Glenohumeral Osteoarthritis
by Vani J. Sabesan, Mark Callanan, Ari Youderian, and Joseph P. Iannotti
J Bone Joint Surg AmVolume 96(8):e64
April 16, 2014
©2014 by The Journal of Bone and Joint Surgery, Inc.
![Page 2: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/2.jpg)
3D reconstructions of preoperative CT imaging were performed with use of image analysis software (OrthoVis; Custom Orthopaedic Solutions, Cleveland, Ohio).
Vani J. Sabesan et al. J Bone Joint Surg Am 2014;96:e64
©2014 by The Journal of Bone and Joint Surgery, Inc.
![Page 3: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/3.jpg)
3D CT reconstruction of the scapula to define the plane of the glenoid with three points placed along the peripheral surface of the glenoid fossa.
Vani J. Sabesan et al. J Bone Joint Surg Am 2014;96:e64
©2014 by The Journal of Bone and Joint Surgery, Inc.
![Page 4: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/4.jpg)
An appropriately sized digital sphere is selected and optimally positioned on a normal humeral head in 3D (Figs. 3-A and 3-B) and in each 2D plane (Fig. 3-C, made in the coronal plane).
Vani J. Sabesan et al. J Bone Joint Surg Am 2014;96:e64
©2014 by The Journal of Bone and Joint Surgery, Inc.
![Page 5: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/5.jpg)
Preoperative humeral alignment.
Vani J. Sabesan et al. J Bone Joint Surg Am 2014;96:e64
©2014 by The Journal of Bone and Joint Surgery, Inc.
![Page 6: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/6.jpg)
This graph plots the measured glenoid retroversion in degrees for each patient compared with the humeral offset in relation to the scapular plane (HSA).
Vani J. Sabesan et al. J Bone Joint Surg Am 2014;96:e64
©2014 by The Journal of Bone and Joint Surgery, Inc.
![Page 7: 3D CT Assessment of the Relationship Between Humeral Head Alignment and Glenoid Retroversion in Glenohumeral Osteoarthritis by Vani J. Sabesan, Mark Callanan,](https://reader036.vdocuments.mx/reader036/viewer/2022082711/56649ee85503460f94bf9338/html5/thumbnails/7.jpg)
This graph plots the measured glenoid retroversion in degrees for each patient compared with the humeral offset in relation to the glenoid plane (HGA).
Vani J. Sabesan et al. J Bone Joint Surg Am 2014;96:e64
©2014 by The Journal of Bone and Joint Surgery, Inc.