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Cat Myxosarcoma

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Cat Myxosarcoma

These soft tissue tumors are fibroblast origin. They are very rare and appear in middle-aged to senior cats. They can arise in any parts of the body but are more common in skin and directly under the skin. Most of the myxosarcomas are located in the limbs and chest. There are however, occurrences in the brain, eye and heart.

They make up about seven percent of subcutaneous and skin tumors in cats. Myxosarcoma is one of many soft tissue tumors that can occur. The tumors can be benign or malignant.

Signs and Symptoms

Although these are "soft" tissue tumors, they can appear as a firm mass on the cat’s body, mouth and limbs. If the tumor occurs in the intestinal tract your cat can experience Cat Vomiting and Cat Diarrhea which will ultimately lead to Cat Loss of Weight. If they appear in the mouth, your cat will also have a Cat Loss of Appetite, problems swallowing and Cat Bad Breath. Any soft tissue tumor can also appear in the nerves and can cause lameness, pain and other neurological symptoms.


An accurate history is vitally important as a contribution to proper diagnosis. By gathering all of the possible information such as origin, site, level of the tumors' aggressiveness and determine if it is malignant, whether or not it has metastasized. These items can be acquired by blood tests, x-rays, advanced imaging such as CT and MRI or ultrasound. It is also helpful to do fine needle aspiration of the mass.

Treatment Options

Treatment modalities include Cat Cancer Chemotherapy, Cat Radiation Therapy and surgery. The combination of surgery and radiation will attack the point of origin. If chemotherapy is included it is possible to slow down the metastasis of those that have been known to be aggressive.


Depending on the level of the cancer, the prognosis is guarded. If it is treated at an early stage, the prognosis is good. The sooner it is detected the better the result.

Home care

Any cancer will cause pain and loss of appetite. It is important to maintain a healthy weight and control your cat’s pain. Your veterinarian will prescribe pain medication for your cat. It is a good idea to prevent severe pain. It is much harder to ease the pain than it is to prevent it.

Because of a decrease in their appetite, you should consult with your veterinarian as to a highly nutritious Cat Cancer Diets to ensure that your cat's immune system and general health is not compromised. The introduction of Cat Cancer Dietary Supplements should also be considered.

Additional Cat Cancer Pages

Cat Cancer | Cat Skin Cancer | Cat Lung Cancer | Cat Pancreatic Cancer | Cat Cancer Prevention | Cat Cancer Diagnosis | Cat Gastric Cancer | Cat Lymphoma Cancer | Cat Squamous Cell Carcinoma | Cat Mouth Cancer | Cat Brain Tumor | Cat Palliative Cancer Care

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