Pharyngeal pouch and cleft remnants in the dog and cat: a case series and review

Remnants of the pharyngeal apparatus can (rarely) form cysts. This retrospective case series describes clinical and histologic findings of such lesions. Clinical and histology databases were searched for cases of pharyngeal remnants. Eight patients were diagnosed with cysts located subcutaneously in...

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Bibliographic Details
Published in:	The Journal of the American Animal Hospital Association Vol. 48; no. 2; p. 105
Main Authors:	Nelson, Laura L, Coelho, Joana C, Mietelka, Kristy, Langohr, Ingeborg M
Format:	Journal Article
Language:	English
Published:	United States 01-03-2012
Subjects:	Animals Branchial Region Cat Diseases - diagnosis Cat Diseases - surgery Cats Cysts - diagnosis Cysts - surgery Cysts - veterinary Dog Diseases - diagnosis Dog Diseases - surgery Dogs Female Male Pharyngeal Diseases - diagnosis Pharyngeal Diseases - surgery Pharyngeal Diseases - veterinary
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Summary:	Remnants of the pharyngeal apparatus can (rarely) form cysts. This retrospective case series describes clinical and histologic findings of such lesions. Clinical and histology databases were searched for cases of pharyngeal remnants. Eight patients were diagnosed with cysts located subcutaneously in the head and neck, adjacent to the submandibular salivary gland, near the thyroid, and in the mediastinum. Cyst linings included ciliated epithelium, and surgical excision was curative. Knowledge of pharyngeal development is useful for their characterization. Clinicians should consider pharyngeal remnants as differentials for cystic lesions in small animals.
ISSN:	1547-3317
DOI:	10.5326/jaaha-ms-5728