When should I put my dog down with mast cell tumor? In a crisis situation:
Contact your veterinarian immediately if your dog develops excessive swelling or drainage at the surgery site, new tumors, lethargy, loss of appetite, vomiting, or diarrhea; collapses; or vocalizes in pain.
How do you know if a mast cell tumor has spread in dogs? Many affected dogs have no signs other than the presence of the tumor. Other signs include scratching or biting at a skin mass, vomiting, diarrhea, bloody stool, lethargy, and/or decreased appetite. More severe signs are usually associated with a larger disease burden (e.g. internal spread).
How long can a dog live with an untreated mast cell tumor? High Grade Mast Cell Tumors
These tumors share a universally bad prognosis with survival times of less than 4 months. They behave aggressively and require more aggressive therapy.
What are the stages of mast cell tumors in dogs? Stages of mast cell tumors in dogs
Stage I – Single tumor without metastasis. Stage II – Single tumor with metastasis into the surrounding lymph nodes causing secondary growth. Stage III – Multiple skin tumors, or a large tumor that has invaded the subcutaneous tissues. There may or may not be lymph node involvement.