A cyst is a bag-like growth that contains fluid, air, or other substances. It can grow almost anywhere on the body. A Baker’s cyst — also called a popliteal cyst — is a fluid-filled cyst on the back ...

As our small cockapoo mix dog has gotten older, all sorts of skin growths have started to appear, but the ones that have freaked me out the most are the ones that burst periodically. Our vet calls ...