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Palatal erosion and oronasal fistulation following covered nasopharyngeal stent placement in two dogs

Audrey K Cook1*, Kelley Thieman Mankin12, Ashley B Saunders1, Carly E Waugh1, Laura C Cuddy2 and Gary W Ellison2

Author Affiliations

1 Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA

2 Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32608, USA

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Irish Veterinary Journal 2013, 66:8  doi:10.1186/2046-0481-66-8

Published: 1 May 2013


Treatment options for dogs with nasopharyngeal stenosis include fluoroscopic placement of metallic stents. Reported complications include entrapment of hair and food, obstruction and persistent nasal discharge. Two toy breed dogs were examined for persistent nasal discharge and halitosis at 4 and 20 months after placement of permanent metallic stents for acquired nasopharyngeal stenosis. Full thickness defects were found in the palate of both dogs, with extensive communication between the mouth and the nasal passages. Portions of the metal stent were observed within the lesion in both patients. Additional treatment was declined by the owner of one dog; the stent was removed through the fistula in the other dog. Palatal erosion with secondary oronasal fistulation is a potential complication of nasopharyngeal stent placement in dogs.

Canine; Palate; Nasopharyngeal stenosis; Stent