The Facts  Melanoma has its origins in the cells responsible for the coloring or pigmentation of the skin. Melanoma is more commonly seen in dogs with dark pigmented skin; however, any dog can be affected by this type of tumor. These tumors have also been known to hold a hereditary compone...

The Facts Mast Cell Tumors are the most frequently recognized malignant or potentially malignant tumors of dogs. Many breeds appear to be predisposed, especially Boxers, Pugs, Rhodesian Ridgebacks, and Boston Terriers.   This cancer type may affect dogs at any age, but is more common in do...

Lymphoma (also called lymphosarcoma or LSA) is a progressive form of cancer involving the lymphatic system. The lymphatic system includes organs and tissues of the body such as the bone marrow, lymph nodes, spleen, and other tissues that play a role in maintaining the body’s immune s...

  Hemangiomas usually appear as red-to-black nodules that may develop singularly or in multiple areas.  Sarcomas are cancers of connective tissue, blood vessels, or the fibrous tissue that surrounds and supports organs.  When used together, these two terms refer to hemangiosarcoma, w...

Chondrosarcoma of the Bone in Dogs Contributed by:  Texas Veterinary Cancer Registry The Facts Chondrosarcoma of the bone is a malignant form of cancer with a tendency to spread swiftly. If not diagnosed and treated early, it can be life threatening.  Chondrosarcoma arises from the co...

The Facts They are more frequently recognized in cats than in dogs They develop more frequently in aged animals The tumor is often observed as ulcerated plaques on the head, extremities, or neck They generally show some sort of continuity with the epidermis (skin), can be locally invasive, and...

What is Cancer? Cancer is a group of diseases in which abnormal cells within the tissues of the body grow without control.  The abnormal cells can invade surrounding tissues, ultimately spreading to other organs throughout the body.  There are more than a hundred specific cancer types, ea...

The uveal tract is made up of the iris (colored part of the eye), the ciliary body, and the choroid.  The ciliary body is located behind the iris and produces aqueous humor (the fluid inside the eye).  The choroid is tissue in the back part of the eye that is situated between the inner ret...