Cystic structures in the guttural pouch (auditory tube diverticulum) of two horses. |
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Authors: | S R Hance J T Robertson C F Bukowiecki |
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Institution: | Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Ohio State University, Columbus 43210. |
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Abstract: | Two horses were examined for compression of the pharynx from the dorsal pharyngeal wall. Neither horse had a patent opening of 1 of the guttural pouches. Radiography of the guttural pouch region revealed a retropharyngeal opacity that occluded 1 guttural pouch. Organisms were not isolated on bacteriologic culture of fluid obtained from the affected guttural pouch. Surgical exploration of the guttural pouch revealed the lining to be easily removeable by blunt dissection in 1 horse; however, the lining was more firmly attached and removal was not attempted in the second horse. A fenestration between the normal and affected guttural pouch was created in both horses to allow for drainage. The etiopathogenesis of the cyst in the guttural pouches is unknown. |
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