Case Description- An 11 year old intact female white Terrier dog weighing 10 kg with no history of illness was presented to the clinic for routine checkup. In anal sac evacuation a right perianal unilateral mass was recognized as an incidental finding. Clinical Findings- Subsequent problems such as polyuria, polydipsia, dyschezia, tenesmus, poor appetite, and vomiting were not noted. No signs of metastasis were noted in thoracic and abdominal radiography. Biochemical profile showed elevated total calcium, but no other abnormalities were found in complete blood cell count. Treatment and Outcome- The mass was removed surgically by a curvilinear incision and the empty space was closed with 2-0 Vicryl suture material in purse string fashion. Skin was closed with 3-0 Nylon suture material. Histopathological evaluation showed solid sheet and tumor cells, subdivided by thin bands of fibrous tissue. Clinical Relevance- In recent studies in dogs with ASAC, clinical findings such as polyuria, polydipsia, weakness or lethargy related to hypercalcemia, and local irritation, tenesmus or constipation associated with iliac lymph node metastasis and enlargement were observed. But in our case there was no history of clinical signs. Most cases were nutered female dogs. Unusually, in our study, the dog has not been neutered. In one study median age at diagnosis was 9.9 years (range, 7.9 – 11.9 years).

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