Papillomaviridae - Equine Flashcards
What does EPV cause?
Sacroids
THE MOST COMMON NEOPLASM IN HORSES
What ages does EPV affect?
1-6 years
What are sarcoids?
Locally invasive benign fibroblastic skin tumors
Which EPV cause sarcoids?
EPV-1 or EPV-2
Do sarcoids metastasize?
No, they persist for life.
Recur after surgical removal.
How is EPV transmitted?
Not 100% but flies and fomites
What breeds are more susceptible to sarcoids?
Arabian
Appaloosa
American Quarter
(All A’s!)
What breeds are less susceptible to sarcoids?
Standardbred
Thoroughbred
Where are sarcoids normally found?
Lesions often occur in traumatized areas – eyes, legs, muzzle
Can grow as big as a fist.
May ulcerate.
What does sarcoid clinically look like?
“Proud Flesh”
How is EPV diagnosed?
Clinical features
Histological exam of biopsy
Virus detection
How is EPV treated?
Cryotherapy, surgery, laser excision
Local radiotherapy
