Adenocarcinoma Involving the Tongue and the Epiglottis in One Horse

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Tumours involving the oral cavity of the horse are uncommon. No cases of equine adenocarcinoma, found on the dorsum of the tongue, have been reported in the literature. We report a case of adenocarcinoma located on the dorsum of the posterior one third of the tongue in a 29-year-old gelding with severe dysphagia. Endoscopy revealed an epiglottis involvement and histology was consistent of adenocarcinoma arising from minor salivary glands, associated with a severe fungal colonization of affected tissues. The goals of this report are to present an uncommon case of dorsum of the tongue-associated neoplasia and to highlight the association with atypical fungal colonization, to reviewed the bibliography and discuss possible clinical approach and prognosis.