F6
FARM & RANCH
THE NORTH PLATTE TELEGRAPH
NOVEMBER 2020
Monitor large animals for signs of cancer
exists and, if so, if it is ma- lignant. This may include blood tests, imaging and a taking a biopsy of the tumor. “For large animals, the first step to any cancer treatment is a definitive di- agnosis of the tumor type,” she said. “This is usually done by sending the tumor tissue to a lab for analysis under the microscope.” Once the tumor is iden- tified, a veterinarian will likely “debulk” the tumor, or surgically remove as much of the mass as possible. The small amount of remaining tumor can be treated with a variety of adjunctive ther- apies, or therapies used in conjunction with a primary treatment. A veterinarian may rec- ommend chemotherapy, cryotherapy (freezing the mass), photodynamic dye
Pet Talk Cancer is a unique ailment in that it can be found in nearly every species, no mat- ter how small or how large. Luckily, our fight against cancer is as widespread as the disease itself and veter- inarians are able to provide treatment to many animals, from cats and dogs to cows and horses. Dr. Leslie Easterwood, a clinical assistant professor at the Texas A&M College of Veterinary Medicine & Biomedical Sciences, works with horse and livestock owners at the Large Animal Hospital to manage cancer- ous growths in our larger furry friends. Easterwood says that there are many different symptoms of cancer in large animals, dependent on the
location and impact of the mass, but that the most com- mon signs noticed by owners are external (visible) tumors and unexplained weight loss. Owners of white-skinned horses may wish to pay extra attention to the well-being of their animal, as they are particularly prone to tumors around their eyes, nose, and genitalia; therefore, these animals should be screened regularly. “Have masses looked at as soon as possible,” Easterwood said. “It is far easier to resolve a tumor when it is small, and it is much more likely to have a good outcome.” When having an animal screened, a veterinarian will likely perform a phys- ical exam and conduct the appropriate diagnostic tests to determine whether a mass
Pet Talk Visible tumors and lump, along with noticeable weight loss, are signs of cancer in large animals.
motherapy drugs) and/or hyperthermia (killing can- cer cells with heat). Easterwood notes that
therapy (a light-activated targeted drug therapy), elec- trochemotherapy (which uses electric pulses to improve absorption of che-
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