Lumps and Bumps in Pets

Common types, what to watch for, and how to monitor them

It is unsettling to find a lump on your pet. Any and all lumps should be checked out by your veterinarian, especially if your pet is acting sick. Your vet will assess the location, duration, firmness, and size. A needle aspirate may also be taken to look at what type of cells make up the lump. Here is a collection of "lumps and bumps" resources and photos to answer questions about common lumps in dogs and cats.

  • 01 of 08
    Asia - September 2006
    Asia - September 2006 - nice pink skin; shows the location of the lump. Lianne McLeod

    A histiocytoma is a benign skin tumor, usually seen in young dogs, that often spontaneously regresses without treatment. This FAQ offers additional information on this common skin tumor seen in young dogs.

  • 02 of 08
    Large neck lipoma prepped for surgical removal © Janet Tobiassen Crosby DVM
    Large neck lipoma prepped for surgical removal. © Janet Tobiassen Crosby DVM

    One of the most common types of lumps in pets, especially dogs, is a fatty tumor called a lipoma. Learn about lipomas, their occurrences and treatment options in this FAQ.

  • 03 of 08
    Lipoma removal surgery © Janet Tobiassen Crosby DVM
    Lipoma removal surgery © Janet Tobiassen Crosby DVM. © Janet Tobiassen Crosby DVM

    This is a surgical step-by-step of a lipoma removal. Please note: The photos in this gallery are graphic and not for those who are squeamish at the sight of blood or surgery.

  • 04 of 08

    No one likes to hear the "C" word - cancer. But in June 2009 The Food and Drug Administration (FDA) announced that it approved the first canine cancer therapy in the US. The drug is called Palladiatm (toceranib phosphate) and it is used for treatment of (MCT) in dogs.

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  • 05 of 08

    What is the best way to "watch" a lump?

    Discovering a lump on your pet is often a scary finding. The first thing to do is make an appointment with your vet for help in determining what the lump may be, especially if your pet is lethargic, in pain, or bothering the lump. If your vet says to "watch the lump" for growth, what is the best way without worrying daily?

  • 06 of 08

    Please share your experience with "lumps and bumps" in your pet. Did you vet advise surgical removal or a wait-and-see approach? If you are watching a lump for changes in size or type, please share your tips on how you keep track of changes and how often you check back with your veterinarian.

  • 07 of 08

    When used with the words polyp or tumor, pedunculated means a growth on a small stalk. This can be anything from a small skin tag to a larger growth, anywhere in the body.

  • 08 of 08

    Glossary Term: Seroma

    Not to be confused with a hematoma or abscess, a seroma is a fluid-filled lump with clear, straw-colored liquid.