Mammary tumours can happen as males do have mammary tissue but they aren't anywhere near as common as on females. They can also get malignancies as well...when I see a lump on a male I usually think more towards malignancy. There is no specific type that is prevalent.
Another tumour males can get is PT or pituitary tumour. A tumour of the pituitary gland that presses on the brain and causes some very strange but recognizable symptoms. Originally people thought there was no treatment (there IS no cure though), and then steroids were tried, which reduces the swelling of the tissue and reduces the symptoms for awhile, until the tumour grows too big and the natural progression starts again. There is no bromocriptine or cabergoline (depending on availability and what you can afford) as more of a longer term treatment, although the PT has to be a pituitary prolactinoma (most common type) to work. There are other PT's that do not respond to treatment though.
How common are the non-mammary tumors in rats? How common are the cancer tumors?
We've had 7 males. Jacob and Jonathan died from PT. Gregory had multiple abdominal tumors that required us to have him euthanized. Justin was euthanized due to an inoperable jaw tumor. Dominic, Quilt, and Jenner were tumor free.
So, in our case about 50% of our tiny sample of male fuzzballs had tumors that were directly related to their deaths.
Justin - 18How old were they when they died/were put down from the tumors?
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