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Is fibrosarcoma benign or malignant?

Is fibrosarcoma benign or malignant?

Fibrosarcoma is a malignant neoplasm (cancer) of mesenchymal cell origin in which histologically the predominant cells are fibroblasts that divide excessively without cellular control; they can invade local tissues and travel to distant body sites (metastasize).

What causes fibrosarcoma in cats?

What causes fibrosarcoma? Cancer is caused by a combination of environmental and genetic factors. While a specific cause may not be identified, many cats with fibrosarcoma have developed the tumor at a prior vaccine/injection site (VAS, vaccine-associated sarcoma).

How old does a cat have to be to have fibrosarcoma?

Recovery from fibrosarcoma depends on where the tumor is located, how long it has existed in the cat, and its grade. The grade is determined by the frequency of cell division within the tumor. Very young cats (up to one year old) are more likely to have malignant tumors.

What kind of cancer does my 2 year old cat have?

My 2 year old cat has been diagnosed with fibrosarcoma which is a very aggressive cancer that is associated with vaccines. I was left with the decision of a very harsh surgery that would remove part of her bone and muscle and leave her in pain for at least 2 weeks.

What kind of test does a vet do for fibrosarcoma?

An X-ray shows a fibrosarcoma as a soft tissue mass. Once the vet begins to narrow their diagnosis down, they will do a fine-needle aspiration or biopsy of the lump so the cells can be examined under a microscope. Finally, the vet does a FeLV test.

What are the adjuvants for fibrosarcoma in cats?

The adjuvant within the vaccination is usually aluminum. This ingredient helps to keep the killed virus within the area where the injection was given for a short time so the body can develop an immune response.

How to find out if your cat has fibrosarcoma?

Call 530-752-1393 to schedule an appointment with the Oncology Service. Vaccine associated fibrosarcomas are tumors that arise at sites where cats have been vaccinated. They are most commonly associated with the rabies vaccine and the vaccine for feline leukemia virus.

My 2 year old cat has been diagnosed with fibrosarcoma which is a very aggressive cancer that is associated with vaccines. I was left with the decision of a very harsh surgery that would remove part of her bone and muscle and leave her in pain for at least 2 weeks.

What kind of tests are done on a feline with sarcoma?

The diagnosis of a vaccine-associated sarcoma necessitates a biopsy. Additional tests performed prior to surgery may include a complete blood count, blood chemistry profile, feline immunodeficiency virus infection test, feline leukemia virus test, and urinalysis to check internal organ health.

How old do cats have to be to get cancer?

About 20 to 30 years ago, this virus led to cancer development in young cats (2 to 5 years old). With the advent of virus testing, vaccination against FeLV and selective breeding, the cancer caused by this virus has diminished greatly.