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HorseAdvice.com » Diseases of Horses » Skin Diseases, Wounds, and Swellings » Bumps / Nodules / Warts / Tumors » Squamous Cell Carcinoma »
  Discussion on More Information on Squamous Cell Carcinoma
Author Message
Member:
Mboyd

Posted on Friday, Apr 1, 2005 - 7:09 pm:

A 29 year old Thorouhbred in my barn was diagnosed with squamous cell carcinoma on his penis. He has had recuurent "warts" that have been removed on an annual basis by another vet. The vet who saw him today is an equine specialist who said the other vet probably didn't properly diagnose the problem. Are there realistic treatment options for a 29-year old? Would it have been more treatable if the other vet had properly diagnosed it 5 years ago? I promise I won't try to get the other vet in trouble, I'm just curious.
Moderator:
DrO

Posted on Saturday, Apr 2, 2005 - 11:11 am:

There is not enough information in your posts to know Marilyn if the previous lesions were SCC or not or whether the current case is going to be a treatment challenge. Warty lesions that are not ulcerated may not be SCC but regular sarcoids.

For information on proper treatment see the article associated with this discussion, Equine Diseases » Skin Diseases » Bumps / Nodules / Warts / Tumors » Squamous Cell Carcinoma.
DrO
New Member:
jackgam

Posted on Tuesday, Apr 28, 2009 - 3:43 pm:

My 17 yo gelding has been biopsied for warts on his penis in 2005 and they came back with a benign papilloma from the lab. Today, he had a vet visit including sheath cleaning. It now has a dark spot and a growth around his urethra, which is new. I have a feeling that the vet will remove the growths and do another lab. I read about using an ointment for humans by the name of imiquimod for treatment of SCC on human penises. Would this be a consideration for horses? They comment on the resultant irritation, but that it is ultimately effective.
Moderator:
DrO

Posted on Wednesday, Apr 29, 2009 - 7:13 am:

Welcome Jacqueline,
There has been no research on SCC in horses so difficult to say. Swelling of the penis and prepuce are major complications of the horse that is in part because of the dependent nature of the organs: once edema forms there in no place for the swelling to go and can be quite a therapeutic challenge. The complications of the irritation may be more severe in the horse than the human.
DrO
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