Rats are incredibly intelligent and affectionate pets, but they are unfortunately prone to tumors. One of the most devastating conditions in older rats is a Pituitary Macroadenoma —a tumor at the base of the brain. "W," a senior rat (2 years and 4 months old) from Manhattan, NY , presented to Long Island Bird & Exotics Veterinary Clinic with alarming neurological signs. Given the broad range of conditions that can cause these neurologic signs, CT imaging allowed us to accura