A-six-year old male German shepherd dog with swelling and enlargement of the intermandibular and cervical region with a COWHIDE - RUGS - 100% Hair on Hide Floor Rug duration of nearly one year was referred to the small animal veterinary hospital, Islamic Azad University of Tabriz.Based on the history, clinical findings, and laboratory investigations, the animal was diagnosed as having Maintenance Accessories cervical mucocele with the involvement of the left sublingual and mandibular salivary glands.Surgical treatment consisting of the excision of the involved gland/duct complex was immediately undertaken with definitive results.Clinical and histopathologic features of this chronic case of canine salivary mucocele are presented in this paper.