An eight-year-old neutered male domestic shorthair cat had a zygomatic salivary cyst with associated mucocele formation.
A fluctuating swelling developed ventral to the right eye, causing bulging of the lower eyeild, and a corresponding swelling was present in the caudal vestibule of the oral cavity.
Cytological examination of the fluid obtained from aspiration of the swelling was consistent with the appearance of saliva.
A tentative diagnosis of zygomatic salivary mucocele was made.
Surgical exploration and resection of the swelling demonstrated the presence of a multilobular cystic zygomatic salivary gland.
The histopathological appearance of the resected tissue was interpreted as an inflammatory reaction to mucus derived from a multilocular salivary cyst.
Source: Speakman AJ, Baines SJ, Williams JM, Kelly DF. (1997): Zygomatic salivary cyst with mucocele formation in a cat. In: J Small Anim Pract. 1997 Oct;38(10):468-70.
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