Medical records of seven dachshunds with congenital nasopharyngeal stenosis from abnormally thickened palatopharyngeal muscles were reviewed.
The intrapharyngeal ostium in all cases consisted of only a narrow slit.
Dogs were presented with various clinical signs—the most common being dyspnea, expiratory cheek puff, salivation, pharyngeal dysphagia, oral dysphagia (to a lesser extent), and macroglossia.
Diagnostic procedures included direct pharyngeal inspection, pharyngeal and thoracic radiography, fluoroscopy, lingual ultrasonography, biopsies in two dogs, and a postmortem examination in one dog.
Diagnoses were readily made with radiographs and visual examinations. Macroglossia was confirmed with transcutaneous ultrasonography or a transmandibular finger test.
Source: Robert M. Kirberger, Gerhard Steenkamp, Timothy C. Spotswood, Sonja C. Boy, David B. Miller, Malan van Zyl (2006): Stenotic Nasopharyngeal Dysgenesis in the Dachshund: Seven Cases (2002–2004). In: Journal of the American Animal Hospital Association 42:290-297 (2006)
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