Equine skin masses

Question 1

State and describe common equine skin neoplasia

Answer 1

• Melanoma = black , spherical or plaque like , most common around the perineum and parotid region of grey horse . Usually benign .
• Squamous cell carcinoma = raised , irregular , pink , locally invasive , most common around the genitals and eyes . Can grow rapidly . Excise and this usually cures but use histology to confirm .
• Sarcoid = multiple types, usually hairless, sometimes ulcerative , most common in groin , axilla and around eyes . Bovine pappilomavirus contributes to their development . more fibroblasts .

Question 2

Types of sarcoid

Answer 2

-occult
-verrucose
-nodular
-fibroblastic
-malignant
-mixed

Question 3

Treatment for sarcoid

Answer 3

some small , slow growing , not ulcerative or bleeding and don’t interfere with tack don’t need to remove - but can get larger

laser surgical removal