Contributor: Paul Gibbons, MS, DVM, DABVP (Avian Practice), DABVP (Reptile & Amphibian Practice)

An important differential for lumps and bumps: Mammary gland tumors are relatively common in rats and mice, and are also seen in African pygmy hedgehogs and guinea pigs. Get the facts about mammary tumors in small mammals. Review diagnostics, management, prognosis and prevention of this important condition.