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Discussion on Odd bumps or are they warts?
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Member:
Dakota04
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Posted on Thursday, Apr 21, 2005 - 12:38 pm:
My yearling filly has two bumps on her back. One is about the size of a dime and the other is smaller. She had three but one came off and left some flaky skin behind. I think the smaller one is getting ready to come off as well. They are dry and seem to be slightly painful if I palpate them. They are not under the skin but grew on top and are not fluid filled but hard; basically the same consistancy of a wart. She is a mustang and my other mustang had one on his neck when I got him which fell off and hasn't returned.
Any idea what this might be? A sarcoid perhaps? Warts? Kind of stumped. Thanks.
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Member:
Chohler
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Posted on Thursday, Apr 21, 2005 - 7:00 pm:
Ahh so nice to see another mustang owner. Have you read anything dealing with scabs?
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Member:
Dakota04
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Posted on Friday, Apr 22, 2005 - 11:48 am:
Scabs as in what you get from an injury? No, these are not the same; they are bumps where she had no injury and just came up on their own. The larger one has grown slightly in the last week. I read the article on bumps and tumors but nothing seems to apply. Hmmm.
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Member:
Erinport
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Posted on Friday, Apr 22, 2005 - 4:21 pm:
Is your filly outside? Have you had a pretty damp winter and spring? Any chance it's rain rot? My gelding lost several small spots from his back due to rain rot, before it went away on its own. They would bump up, grow a bit, then come loose and flake off, leaving a hairless patch. The hair is now growing back just fine (jet black on a sunbleached coat - he has black spots!) now. Try a couple iodine or betadine washes, or any other prescribed treatment for rain rot, and see if that helps. If it does turn out to be rain rot, be sure to disinfect all brushes, blankets, rugs, tack, etc. before using them again. The stuff is contagious, and you can re-infect her very easily. It's hardly life threatening, just a pain in the butt, and unsightly if it gets bad.
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Moderator:
DrO
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Posted on Saturday, Apr 23, 2005 - 8:13 am:
Did the hair come off with the scab Holly?
DrO
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Member:
Dakota04
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Posted on Monday, Apr 25, 2005 - 3:04 pm:
Yes, the hair did come off with the scab. This is not rain rot, I had a horse with a severe case years ago and this is different. She is in/out 24/7 and uses her bedded shed when the weather is nasty. The smaller one started flaking away this weekend and will probably be gone when I check this afternoon.
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Moderator:
DrO
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Posted on Tuesday, Apr 26, 2005 - 7:07 am:
Rainrot has many different appearances Holly and a scabbing disease that when removed takes the hair with it is very characteristic for this disease. Your presentation above is classic for a few focal lesion of dermatophillus and it is the most common skin infection of horses.
DrO
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Member:
Dakota04
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Posted on Tuesday, Apr 26, 2005 - 4:05 pm:
Is the presence of flaking skin left behind also charcteristic? Most rainrot I have seen the lesions are easily removed with vigorous brushing or by bathing. These are firmly attached and are round.
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Moderator:
DrO
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Posted on Wednesday, Apr 27, 2005 - 8:39 am:
Yes flaking (hyperkeratosis) is often associated with dermatophillus. Focal thick singular scabs that are firmly attached is not a uncommon presentation. The key is the hair coming off with the scabs. Dermatophillus is about the only organism that likes to infect the layer deep to the follicle. About the only other thing that does that is some of the autoimmune diseases and they are rare.
DrO
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Member:
Suzeb
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Posted on Wednesday, Apr 27, 2005 - 11:44 am:
What are the autoimmune diseases that do this Dr.O?
Sorry for butting in Holly, but have been following this post and would like to know  .
Susan B.
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Member:
Dakota04
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Posted on Wednesday, Apr 27, 2005 - 1:50 pm:
No problem Susan; I was about to ask the same question. Another question though DrO - is this something I need to worry about? Would bathing with a betadine based shampoo be beneficial? (Okay that's two questions). lol.
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Member:
Suzeb
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Posted on Wednesday, Apr 27, 2005 - 7:04 pm:
Thanks so much Holly! My guy is pretty dandruffy. We had this bout of unexplained Alopecia in the fall. Skin biopsies and the whole business to no avail. I will give him the Betadine bath routine when weather warms anyway.
Susan B.
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Moderator:
DrO
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Posted on Thursday, Apr 28, 2005 - 10:00 am:
These diseases don't have names that I am aware of. The immune system attacks proteins in the deeper subcutaneous layers than the more common pemphigous or bullous immune diseases described in the irritated skin topic. The result is the skin forms deep crusts where outer layer of skin including the follicles are involved. They are diagnosed and treated in a the same fashion as to the more common autoimmune diseases.
Often you can treat these focal lesions locally Holly but a antibacterial shampoo may lower the bacterial count on the coat and skin, for more on this see the article on treating dermatophillus.
DrO
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