Articles

Cats + Tumors

  • These notes are provided to help you understand the diagnosis or possible diagnosis of cancer in your pet. For general information on cancer in pets ask for our handout "What is Cancer". Your veterinarian may suggest certain tests to help confirm or eliminate the diagnosis, and to help assess treatment options and likely outcomes.

  • Endocrine glands produce specialized chemicals called "hormones". These regulate and integrate many activities to maintain internal stability of the body.

  • Endocrine glands produce specialized chemicals called hormones. These regulate and integrate many activities to maintain internal stability of the body. The hormones pass directly into the blood to affect target cells elsewhere.

  • Anal glands are located on either side of the anus and normally produce secretions that are pushed when feces is evacuated from the rectum. An anal sac tumor is a tumor of made up of cells originating from the glands of the anal sac. These tumors can spread and therefore staging is recommended prior to surgery. To diagnose these tumors, a fine needle aspirate can be placed from the outside and into the anal sac to retrieve cells. After surgery, chemotherapy may be considered. Radiation therapy has also been considered as a primary or secondary treatment option.

  • Non-cancerous bone tumors are rare in cats and are mainly due to abnormal development. They include bone cysts and single or multiple lumps of bone in abnormal places (exostoses).

  • The bone marrow is the soft tissue inside the bones. Before birth, the marrow contains the primary (stem) cells that from all the red and white blood cells. After birth, some types of blood cells, particularly lymphocytes, are made in other parts of the body.

  • Calcium deposits in the skin have a variety of causes. The deposits are usually of minor significance in the young but may indicate serious disease in some older animals

  • As continuous improvements in our knowledge and new and evolving methods of treatment are developed, pet owners and their veterinarians have more options available when cancer is diagnosed.

  • All tissues and organs of the body may develop cancer (an abnormal overgrowth of their constituent cells). Every organ (liver, lungs, spleen, kidneys and so on) contains a supporting framework of fibrous connective tissue as well as nerves to relay information to and from the brain.

  • The histiocyte group of cells are part of the body's immune surveillance system. Cutaneous (reactive) histiocytosis is an uncommon condition of dogs. Cutaneous, reactive histiocytosis is an immune dysfunction, mainly of young dogs and probably due to persistent antigenic stimulation by a variety of antigens (foreign proteins).