Large lumps on sheath - Page 2 - The Horse Forum
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post #11 of 13 Old 01-03-2013, 03:36 PM
Green Broke
Join Date: Jan 2011
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Sounds like Grey horse Melanoma. Your vet can tell you.

It is one of the hazards of having grey horses (most, not all, grey horses develop them). There have been various treatments.. I recall one years ago that involved tegamet (Cimetidine). The Treatment, as I recall, was effective but very expensive and had to be used for the life of the horse.

I do not know if this is still a therapy used.

Have your vet check him and go from there. Meanwhile, keep your eye on the lumps to see if they change. If they can be seen from outside, take photos. Mark the margins of the lump with a magic marker and use something for scale (like a dime or a penny) next to the lump when you take the photo. It will help you monitor the lumps.

There is something about the outside of a horse that is good for the inside of a man. ~Winston Churchill
(or woman!!!! ) Dinosaur Horse Trainer
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post #12 of 13 Old 01-05-2013, 02:52 AM
Join Date: Sep 2011
Location: california
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squamous cell , will look like cottage cheese when you clean his sheath. It is not a nice disease. My very first horse had to be euthed because of this, many years ago.
My Vets have me just leave the melanomas alone. Do not pick at them..
If they are in his sheath, so long as he can extend to urinate he will be okay, same for the tumors on the rectum, you just have to watch them to make sure they have not grown and are obstructing things.
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post #13 of 13 Old 01-05-2013, 11:07 AM Thread Starter
Join Date: Jun 2012
Location: Florida, the sunshine state.
Posts: 126
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Thank you all so much, this is the best advice I could have recieved! I definitely have some peace of mind now that I have learned a little more about this issue. Blue has an appointment on the 24th of this month, I will keep everyone posted.

Many thanks,
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