What is a key characteristic of osteosarcoma's behavior in dogs?

Osteosarcoma is a highly aggressive bone tumor frequently observed in dogs, characterized by its tendency to metastasize, particularly to the lungs. The aggressive nature of this neoplasm often results in rapid growth and invasion of local tissues, with a significant risk of developing metastases even after local treatment. This metastatic potential is a critical aspect for veterinarians and pet owners to understand, as it impacts both the prognosis and treatment planning.

Osteosarcoma typically behaves aggressively, which means that it not only invades the surrounding bone and soft tissues but can also spread to distant sites in the body. The lungs are the most common site for metastases, underscoring the need for thorough staging and monitoring in affected dogs. Understanding this key characteristic helps guide treatment options, such as surgical intervention combined with chemotherapy, and informs pet owners about the overall prognosis for their animals. The emphasis on both local aggression and the propensity for metastatic spread makes this detailed awareness essential in the management of osteosarcoma in canine patients.