What is the most common nasal tumor found in dogs and its preferred treatment?

Adenocarcinoma is indeed the most commonly identified nasal tumor in dogs. This type of tumor originates from the glandular structures within the nasal cavity and is characterized by its aggressive nature and tendency to invade local tissues.

The preferred treatment for nasal adenocarcinoma often involves radiation therapy. This approach is chosen because surgery can be challenging due to the location of the tumor and the risk of significant morbidity. Radiation therapy, on the other hand, can effectively control the tumor and alleviate clinical signs associated with nasal obstruction or other complications without the high risks of potential surgical complications.

In comparing to other options, squamous cell carcinoma, mast cell tumors, and lymphomas have different prognoses and treatment approaches; for instance, they may not be as prevalent in the nasal cavity as adenocarcinoma and could have varied treatment protocols regarding chemotherapy, surgery, or immunotherapy based on their specific characteristics and behavior.