An approach to clinical case corresponding to mucocele extravasation in submandibular gland in a mongrel canine Florence Township, Caqueta in the Colombian Amazon is presented. In the region, this kind of casuistry is not common and there are no statistics. According to Welch (2009) are some predisposing breeds like the German Shepherd, Poodle, Silky Terrier and the Dachshund, occurring in greater proportion in males; coinciding with the author. The canine considered Creole in the clinical case addressed through surgery, presents phenotypic characteristics that might be associated with Dachshund and German Shepherd which can be considered a factor related to the alteration.