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Laryngeal Hemiplegia
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Revision as of 14:11, 8 March 2011
680 bytes added
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14:11, 8 March 2011
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**Neoplasia
**Neoplasia
**Trauma
**Trauma
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* These horses are also known as "'''roarers'''"
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* Equine laryngeal hemiplegia is a very common condition.
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===Pathogenesis===
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# The disease starts with an idiopathic degeneration of the left recurrent laryngeal nerve.
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# This leads to atrophy of the left dorsal cricoarytenoid muscle.
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# Without the use of this muscle, the horse is unable to abduct the left arytenoid cartilage and vocal fold.
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# Airways are therefore partially obstructed on inspiration.
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[http://w3.vet.cornell.edu/nst/nst.asp?Fun=F_KSsrch&kw=HEMIPLEGIA View images courtesy of Cornell Veterinary Medicine]
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[[Category:Larynx - Pathology]]
[[Category:Larynx - Pathology]]
[[Category:Respiratory System - Degenerative Pathology]]
[[Category:Respiratory System - Degenerative Pathology]]
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[[Category:Respiratory Diseases - Horse]]
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[[Category:Central Nervous System - Degenerative Pathology]]
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