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Section: Overview
Mast cell tumors, also called mastocytomas, arise most commonly in the skin. They develop from a normal component of body tissues called the mast cell that play a role in the process of tissue repair by releasing inflammatory mediators. Malignant mast cell tumors can spread to the lymph nodes, spleen, liver and bone marrow. Mast cell tumors are among the most common tumors of dogs, accounting for approximately 20 percent of all skin tumors. The cause of mast cell tumors is unknown. Dogs that develop mast cell tumors often are older (usually 8 to 9 years of age), although they can occur in dogs of all ages. What to Watch For
Very often the word “lump” brings the word “cancer” to mind, although there are many other causes of lumps, such as malignant or benign tumors, abscesses, cysts, hematomas (blood-filled mass) or hives....
Most skin cancers appear as a lump in or underneath the skin or as a sore that does not heal. Animals with skin cancer may experience discomfort or itchiness, which may cause them to chew or scratch at...
There are many different types of skin lesions that can occur in the skin of dogs, and each lesion or combination of lesions can be caused by multiple diseases and conditions.
Cancer (neoplasia)is a transformation of normal cells into abnormal (malignant) cells. Cancer can develop in virtually any organ or body system, and some cancers spread or metastasize to other areas of...
A biopsy is an important procedure in which a sample of tissue is taken for microscopic analysis.It is designed to help determine the cause of illness or abnormal organ function and usually requires general...
A biopsy is the surgical removal of a portion of suspicious masses, tumors or abnormal organs for evaluation and a diagnosis.
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