Mast Cell Tumors in Dogs

Mast cell tumors (MCT) in dogs are very common, accounting for approximately 20% of all skin tumors diagnosed in dogs. Mast cell tumors can arise from any skin site on the body, and can have a variety of appearances.  We do not know what causes mast cell tumors in dogs. At this time, no carcinogenic agents or viral organisms have been found to directly cause MCT. Symptoms of a Mast Cell Tumor MCTs most commonly…

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Canine Osteosarcoma (OSA)

Osteosarcoma, commonly abbreviated as OSA, is a malignant tumor of osteoblasts, the cells that make bone.  Osteosarcoma is the most common primary bone tumor in dogs. We do not know what causes canine osteosarcoma.  There is no gender predilection, however, osteosarcoma is detected more often in large-giant breed dogs than small dogs.  Trauma and radiation therapy have been implicated as contributing factors in some dogs. While osteosarcoma may develop in any bone, the majority of…

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