weird growth.. changed color/got bigger - The Horse Forum
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post #1 of 6 Old 03-01-2009, 10:35 PM Thread Starter
Join Date: Jul 2008
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weird growth.. changed color/got bigger

Hi Guys

When I bought Indy he had a small hard white lump that looked like a wart near his genitals. The vet said that it was fine, nothing to worry about but if it changed color or got any bigger I need to call him out.

Well I have been keeping an eye on it and nothing has happened, until today. I don't know if I missed it or just haven't checked it in a while, but it has probably tripled (at least!) in size and it has changed to a black/gray ish color.

The vet is coming out Saturday to do a biopsy. Any ideas what it may be?!

ETA Sorry the pics aren't the greatest, they are off my phone
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post #2 of 6 Old 03-02-2009, 12:59 PM
Join Date: Nov 2006
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Sarcoid or melanoma.

External melanoma in equines is non-cancerous and only needs to be removed if it interferes with tack placement.

Both are very common with gray horses.
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post #3 of 6 Old 03-02-2009, 01:03 PM
Join Date: Dec 2008
Location: Gardnerville, NV
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yea looks like sarcoid or melanoma, my old mare has melanoma, they dont affect them in any way and if i were you i would not have to remove because it normaly makes it worse. they can get pretty ugly as the horse gets older, but there nothing you can go about them really.
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post #4 of 6 Old 03-02-2009, 02:06 PM
Join Date: Apr 2008
Location: England
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Any lump in a horse's groin is a sarcoid until proven otherwise - a biopsy will tell you though. There are lots of ways of treating them, not a totally simple process but your vet can advise you.
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post #5 of 6 Old 03-02-2009, 02:25 PM
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Originally Posted by alsiola View Post
Any lump in a horse's groin is a sarcoid
Do you have data to back up that statement?
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post #6 of 6 Old 03-04-2009, 02:03 PM
Join Date: Apr 2008
Location: England
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Originally Posted by mls View Post
Do you have data to back up that statement?
You've quoted me somewhat out of context there... I said "until proven otherwise." By that I mean that sarcoids are the most common skin tumours in horses (I'm sure I can find you some data somewhere), and that the groin is a predilection site for sarcoids.
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