What is the prognosis for dogs with mast cell tumors?
The prognosis depends primarily upon the grade and stage of the tumor. The lower the grade, the better prognosis. In addition, dogs with Stage I tumors have the best prognosis, compared to those staged higher. The location of the tumor also plays a role. Dogs with tumors on the limbs appear to have the best prognosis. Those with tumors in the nail bed, genital areas, muzzle, and mouth have a poorer prognosis. Dogs with mast cell tumors in the internal organs, such as the spleen or bone marrow, have the least favorable prognosis. Conclusion Mast cell tumors can present in a wide variety of ways and can have an equally varied set of symptoms and outcomes. Because it is difficult to diagnose a mast cell tumor by visual inspection, it is important that all suspicious-looking skin tumors be examined by a veterinarian and followed up with diagnostic testing and identification. Treatment consists of surgical removal and radiation, and possibly chemotherapy. As with all tumors, prompt recognit