Re: Cancer caused by FeLV or Rabies vaccinations

Laura Jordan ( )
Wed, 10 Feb 1999 12:00:14 -0700

Thank you for the definitions. It helps alot to know the differences as much as

Laura and the Brat pack

CatWoman wrote:

> I'm putting my answer at the top here.
> "Lymphoma", "Sarcoma" and "Fibrosarcoma", while related,
> in that they all refer to cancer, are not the same thing.
> "Lymphoma" is one type of cancer - a cancer of the lymphatic
> system. It is (I *THINK* - caveat - I'm not a vet) another
> name for "LymphoSarcoma". They could be different types
> of cancers, but both are cancers originating in the lymph
> system.
> "Sarcoma", "Carcinoma" - both of these are descriptives of
> how the cancer acts, or maybe what the cells look like (again,
> this is my understanding). eg: There is "Kaposi's Sarcoma",
> "Lympho Sarcoma" and "Fibro Sarcoma". I believe that all
> 3 cancers *act* the same, but start in different places.
> Fibro-sarcoma is a cancer of the muscle tissue. It has
> been found most often at sites where cats got their
> annual injections. It is a very slow-growing cancer, but
> has a tendency to recur, and to be difficult to get rid of.
> This is why the protocol includes giving the shots in the
> legs, because the only way to stop the progress is to
> completely excise the tumor and a lot of the surrounding
> tissue - and removing a leg is easier to survive than
> removing the back (where shots used to be given).
> Lymphoma - which FeLV cats get quite often, is usually
> found in the chest, it's very rapid-growing, it *does*
> respond to chemo, for a while, cannot be excised (because
> it is in the lymphatic system), and usually is fatal for
> the cat.
> Diana
> }Lymphoma Sarcoma is what finally killed my Patches. He was felv+ (unbeknownst to
> }us) and when he was really sick at the end, we were told he had lymphoma in the
> }small intestines and it would be kindest to put him down. That's what prompted
> }me to the list. I've never heard of a rabies shot giving lymphoma, but have
> }heard of injection site sarcomas, which may be related. Sorry I don't know more
> }though.
> }
> }> I've been hearing that some cats develop cancer(fibrosarcoma)
> }> from the leukemia and/or rabies vaccinations. Has anyone heard
> }> of this and how prevalent would it be?

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