Have you noticed recently that one of your dog’s testicles looks larger than the other or does a portion of the testicle appear swollen? Is your dog middle-aged or older? If so, your dog may be suffering from a testicular tumor.
Does your cat have white-haired areas on the tips of his ears or nose?
White-haired cats, or those that have white-haired areas on their face or ears, are predisposed for the development of cutaneous squamous cell carcinoma (SCC). In fact, white cats are are 13 times more likely to develop squamous cell carcinoma than are cats of any different color.
Does your dog have a swelling of the leg that is painful when touched? Is your dog suddenly lame? Can’t remember a traumatic incidence your pet has been subjected to recently? Is your dog over 50 pounds in weight? If the answer to most of these questions is yes, you should take your pet to his veterinarian. Large and giant breeds of dogs are particularly susceptible to osteosarcoma which is a highly aggressive and malignant tumor or cancer of the bone. Radiographs will clearly demonstrate if you have to be concerned about this type of tumor.
Has your dog recently been diagnosed with a mast cell tumor? Has your veterinarian given you a rather gloomy prognosis? Take heart: Pfizer Animal Health™ has a new chemotherapy drug coming out specifically for the treatment of mast cell tumors in the dog.
Fibrosarcomas are malignant tumors of fibroblasts. Fibroblasts are cells within the dermis of the skin that produce the collagen in connective tissue. These tumors are locally invasive, often recur locally, and have a tendency to spread to other parts of the body (metastasize). Metastasis often occurs weeks to months following surgical removal. Fibrosarcomas are hard to control through surgery even when ancillary therapy like chemo or radiation is employed.
Feline Leukemia is a retrovirus. As a member of the retrovirus family, the feline leukemia virus’s genetic material is transmitted as RNA. Once the virus infects the cell, DNA copies of the virus are transcribed and these copies are inserted randomly into the host’s genetic material. Once the DNA is integrated within the genome, any cell division that occurs will cause both of the new cells to contain the virus.
Histiocytomas are benign, fast-growing, raised, hairless skin tumors found on the extremities, head, ears, and neck. Histiocytomas account for 3 to 14% of skin tumors occurring in the dog. Typically these lesions are round and less than three cm in diameter. These tumors occur most commonly in young dogs. Boxers, Dachshunds, Cocker spaniels, Great Danes, Shetland sheepdogs and Bull terriers are especially susceptible to histiocytomas. Often these tumors will resolve spontaneously within three months and may be multiple.
Oral melanoma—a tumor found in the mouth of your dog—tends to be aggressive. These types of tumors are frequently malignant, and will spread throughout the body often before they are diagnosed. Luckily, routine yearly physical examinations can yield an early diagnosis.