Equine Health Update EHU Vol 21 Issue 03 | Page 43

CPD Article | EQUINE d. Lesions may interfere with the ability of the horse to work. e. Breeding from affected horses is ethically questionable. 7) Which are the most frequently recognised forms of sarcoid (by both owners and veterinarians)? a. Verrucose, nodular and fibroblastic. b. Occult, verrucose and nodular. c. Nodular and fibroblastic. d. Verrucose and fibroblastic. e. Verrucose and nodular. 8) Which of the following is NOT true of sarcoids in horses? a. Clinical signs range from small circular areas of alopecia to large, ulcerated and invasive tumours. b. There is no genetic predisposition. c. Biopsy is not usually essential for diagnosis. d. A small proportion of sarcoids (<1%) will resolve spontaneously. e. Most cases will develop increasing numbers of lesions with time, and most lesions will get bigger and more aggressive if not treated. 9) Which of the following is NOT true of sarcoids in horses? a. Bovine papilloma virus is believed to be a causal agent and is likely to be spread by flies. b. Verrucose (warty) sarcoids are most commonly found on the legs. c. Type B nodular sarcoids are where the nodule involves the skin, with overt changes such as hair loss and sometimes ulceratin. d. Laser excision carries a good prognosis (up to 80% cure of selected lesions), because seeding of the site is less likely. e. Occult sarcoids may develop into an aggressive fibroblastic form if abraded. 10) Which of the following is true of sarcoids in horses? a. There is no known infectious agent involved in the pathogenesis of sarcoids in horses. b. The majority of sarcoids will never cause a clinical problem and should therefore be left alone. c. Sarcoids are only seen in younger horses or in those with a previous history of the condition. d. BCG must only be injected intralesionally, as there is a risk of anaphylaxis, and is only useful for nodular and fibroblastic sarcoids around the eye. e. Sarcoids are an uncommon complication of wound healing. TO ANSWER: WWW.VET360.VETLINK.CO.ZA OR CPDSOLUTIONS.CO.ZA/?RE=ONLINEVETS • Volume 21 Issue 3 | September 2019 • 43