AAEP Annual Convention Las Vegas 2009
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Diagnosis of Laryngeal Dysplasia in Seven Horses Using Magnetic Resonance Imaging and Ultrasonography

Author(s):
Garrett K.S.,
Woodie J.B.,
Embertson R.M. and
Pease A.
In: AAEP Annual Convention - Las Vegas, 2009 by American Association of Equine Practitioners
Updated:
DEC 09, 2009
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1. Introduction
Laryngeal dysplasia caused by suspected malformation of the fourth branchial arch has been reported previously in the horse and has been associated with rostral displacement of the palatopharyngeal arch and/or right laryngeal dysfunction. These studies all described the endoscopic and/or anatomical postmortem identification of the disease, but ultrasonography or magnetic resonance imaging (MRI) of this disease have not been described. We hypothesized that MRI and ultrasound findings would accurately reflect the anatomic features of presumptive fourth branchial arch abnormality and therefore, allow accurate antemortem diagnosis of this condition and appropriate management.

2. Materials and Methods
Between February 2008 and April 2009, all horses examined at Rood and Riddle Equine Hospital in Lexington, Kentucky that were diagnosed with rostral displacement of the palatopharyngeal arch and/or right laryngeal dysfunction using upper airway endoscopy underwent ultrasonography and MRI of the laryngeal region. [...]

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How to reference this publication (Harvard system)?

Garrett, K. S. et al. (2009) “Diagnosis of Laryngeal Dysplasia in Seven Horses Using Magnetic Resonance Imaging and Ultrasonography”, AAEP Annual Convention - Las Vegas, 2009. Available at: https://www.ivis.org/library/aaep/aaep-annual-convention-las-vegas-2009/diagnosis-of-laryngeal-dysplasia-seven-horses-using-magnetic-resonance-imaging-and-ultrasonography (Accessed: 28 November 2023).

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