Acute leukemia is a systemic cancer characterized by the infiltration of immature lymphocytes or myelocytes (two types of white blood cells) in the bone marrow (and commonly in the liver and spleen as well). Patients with acute leukemia are typically quite ill due to their disease. Affected animals...

Localized histiocytic sarcoma,  disseminated histiocytic sarcoma and malignant histiocytosis are fairly rare tumors overall but occur with high incidence in Bernese Mountain dogs, Rottweilers, Flat Coated Retrievers, and Golden Retrievers. Histiocytic sarcomas are very aggressive tumors, and ca...

Dental problems in dogs and cats Dental problems are very common in dogs and cats. Scientific studies show that by the tender age of three, over 80% of dogs have significant dental disease that will benefit from professional treatment. Left untreated, the consequences of dental problems can go way...

The Facts Osteosarcoma a very common type of bone cancer in dogs, accounting for up to 85% of tumors that originate in the skeletal system. Although it is a disease more commonly seen in older giant breed dogs, it can affect dogs of any size or breed. The first signs of this disease may be lame...

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...