What is THIS?! - urgent! - The Horse Forum
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post #1 of 22 Old 10-16-2011, 09:20 PM Thread Starter
Join Date: Feb 2007
Location: Alberta, Canada
Posts: 602
• Horses: 2
What is THIS?! - urgent!

So I'm pretty much freaking out! What is this "thing"?!?

On Friday:



I found this on Robbie's eye on Friday: after I tacked him up, rode him and un tacked. I noticed this completely by accident, he just happened to be looking a wierd way and I saw it. This growth/tumor/cyst/thing is on his right eye in the upper corner hidden entirely by his eyelid. I freaked out when I saw it and thought it was some bug at first haha.

So me and my trainer both looked at it and then called the vet. I hate dealing with eye and eye injuries so we weren't taking any chances. Now the vet was out about 2 weeks ago to treat Robbie's other eye (his left one) as he had a scratched cornea that needed meds and a case of conjectivitis (pink eye for horses). So he got BNP, drops and bute for his eyes and his scratched cornea is healing up well now with only a little bit of swelling left from the conjectivitis. Maybe this thing is related to the conjectivitis case? Perhaps fly eggs or something? But now I find this, I just can't win!

The vet came on Friday right after I rode him and noticed it, examined his eye and took some swabs. She was just as confused to what it was as me and my trainer were. She thought it could be a number of things: tumor, cyst, infection, etc. However, robbie's eye physically looks perfectly fine (other than the growth haha). He has no swelling, no heat, no pain, no sensitivity, nothing. He let me look at it, touch it, etc and gave no fuss. His eye is open, alert and led me to believe nothing was wrong (which is why I rode and so shocked to find it). The vet also said that his eyeball itself is unharmed (iris, pupil, etc is all fine) and the growth is on the surface and pretty superficial. So weird! She took a biposy and looked at the cells under a microscope and found that the cells looked like cells found when an allergic reaction occurs. We get even more confused then! How can he be having an allergic reaction with no heat, swelling or pain? He has also had a fly mask on since the vet's last visit 2 weeks ago so no bugs or anything could really get in there. Aghhhh so confused! We also touched on melanoma as grey horses are prone to getting skin cancer and that can be found of thier eyes. However, the cancer is found on the thirs eyelid (not the upper corner) and the growth is pink in color, not white. The vet also said that she would have seen some sign of it forming when she did the examination 2 weeks ago.

Since we were/are all so confused, the vet sent the biopsy of the growth to an equine eye specialist so he could perhaps figure out our mystery. No results yet but they should be in by tomorrow (monday). I, on the other hand, am completely freaking out! I want to know what the heck this is and I feel so incredibly horrible for my pony. I tried searching this on the internet, but had no luck. Nothing even came up remotely close. So now I turn to you guys! Have you seen/heard/read about anything like this? I really need your help, since I feel so helpless and all I can think about is Robbie not having an eye in the end of all this. :(

:: rachel && della volta ::
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post #2 of 22 Old 10-16-2011, 09:37 PM
Join Date: Aug 2011
Location: Weaverville NC
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I have no idea but am subscribing to see what you find out.


Horses lend us the wings we lack.
Calmwaters is offline  
post #3 of 22 Old 10-17-2011, 01:24 AM
Join Date: Jul 2011
Location: Southern California
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Could it be a botfly infection?
redape49 is offline  
post #4 of 22 Old 10-17-2011, 04:25 AM
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Ouch. Not nice
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post #5 of 22 Old 10-17-2011, 05:25 AM
Join Date: Oct 2011
Location: Saskatchewan
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conjunctivitis, which is essentially inflammation of the whites of the eye;

a foreign body, which would most likely be a small piece of debris in the corner of the eye causing irritation;

or squamous cell carcinoma, which is a tumor of a cell type that is found at the margins of the eye.
RookieReiner is offline  
post #6 of 22 Old 10-17-2011, 10:17 AM Thread Starter
Join Date: Feb 2007
Location: Alberta, Canada
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Thanks for the feedback guys! Haha, it looks so disgusting and you would think Robbie would be in pain but he barely even realizes it's there!

I researched a bit about botfly infections/infestations and they don't affect horse's eyes. They attack the horse's stomach through their mouth and the only case of botfly larva in the eyes is in human cases (ewww haha).

I don't think there is an irritating forgien body causing this as there is no swelling, heat, itching, etc. The vet examined the cells and couldn't find anything suggesting a forgien body, he has also had a fly mask on 24/7 for the past 2 weeks as this has manifested. :(
Also the cancer cells (squamous cell carclnoma) are pink and fleshy in appearance and don't just "show up" I guess. The vet said she would have noticed something when she did the initial eye examination 2 weeks ago. These tumors are also found on the third eyelid in the inner corner and are very rarely (no documented cases) of a cancerous tumor in the upper corner.

Thanks for the suggestions guys! I appreciate the feedback, maybe it's related to his conjectivitis infection as the flies were in his eyes all the time and maybe laid eggs? Eww haha.
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post #7 of 22 Old 10-17-2011, 10:45 AM
Join Date: Oct 2007
Location: Greenville area / SC
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Call a vet. Eyes are nothing to fool with and can easily and quickly go from mild to critical.

I'm not arguing with you, I'm just explaining why I'm right.

Nothing sucks more than that moment during an argument when you realize you're wrong.

It's not always what you say but what they hear.
iridehorses is offline  
post #8 of 22 Old 10-17-2011, 10:50 AM Thread Starter
Join Date: Feb 2007
Location: Alberta, Canada
Posts: 602
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Oh the vet was called as soon as I found it on friday. She came and took swabs and didn't want to treat it as she has no idea what it is. We have consulted an equine eye specialist but he's the only one in southern Alberta and I have no idea how long it'll take for him to get back to me. :(

So basically the vet is on call for Robbie but can't do anything since we don't know what it is. :( And it's growing too.
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post #9 of 22 Old 10-17-2011, 10:52 AM
Join Date: Feb 2010
Location: Saskatchewan
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never mind, I see the blush has already updated

Never attribute to malice that which can be attributed to stupidity
Golden Horse is offline  
post #10 of 22 Old 10-17-2011, 06:27 PM Thread Starter
Join Date: Feb 2007
Location: Alberta, Canada
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bumping this sucker up. :)

:: rachel && della volta ::
blush is offline  

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