Feline Fibrosarcoma - Causes, Symptoms, Diagnosis & Treatment |
Overview:A fibrosarcoma is an aggressive type of malignant growth (cancer) that originates in the fibrous connective tissue. It is one of the most common musculoskeletal cancer found in cats. There are three causes of fibrosarcoma. - It is found in older cats, of which the cause isn't known, although cancers appear to be more common in older cats. This is usually a single, irregularly shaped mass found on the trunk, legs & ears.
- The use of vaccines is known to cause fibrosarcoma in rare cases, and this is known as 'vaccine induced sarcoma or vaccinosarcoma'. More information can be found here.
- Finally, a mutant form of FeLV known as 'feline sarcoma virus' (FeSV) also causes fibrosarcoma. This is found in younger cats & occurs as multiple tumour masses.
What are the symptoms of fibrosarcoma in cats?The most common sign of fibrosarcoma is localised soft tissue swelling. Lameness is How is it diagnosed?Your veterinarian will perform a complete physical examination & obtain a history from you. Some tests he may wish to perform include; - Complete blood count.
- Biochemical profile.
- Urinalysis.
- Biopsy of the lump will provide a definite diagnosis of fibrosarcoma.
- X-rays of the area in which the lump is located which may reveal a large, soft tissue mass.
- X-rays of the lungs to determine if the cancer has metastasised (spread).
How is it treated?- Surgical excision of the affected area or amputation of the affected limb. However, prognosis is guarded as this cancer commonly returns.
- Radiation therapy to follow on.
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