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Veterinary

Surgical

Oncology

Surgical management of sarcoids

02 September 2022

Clinical

9 mins read

02 September 2022

Volume 6 · Issue 5

ISSN (print): 2516-0583

ISSN (online): 2516-0591

Figure 1. Removal of a nodular sarcoid between the forelimbs, under standing sedation and local anaesthesia using a diode laser. The skin is placed under tension using Lane tissue forceps.

Abstract

Equine sarcoids are the most common form of equine skin neoplasia, they can be challenging and expensive to treat. There are many different treatment options available to the equine clinician, with no one treatment suitable for all lesions in all locations. There is a lack of published evidence allowing direct comparison between different treatment within the literature. The use of laser surgery to remove sarcoids has become more popular in recent years and it provides a simple cost-effective way of managing many cases, with results similar to other treatments available. Histopathological analysis of any tissue removed is advisable, although the behaviour of sarcoids following removal is unpredictable and careful monitoring of the surgical site following any form of surgery is essential. If sarcoids recur following removal, then there are a variety of adjunctive therapies available to reduce the risk of further recurrence.

Equine sarcoids are the most common form of skin neoplasia in horses, with an owner reported frequency of 5.8% (Ireland et al, 2013). Bovine papillomavirus (BPV) types 1 and 2 are causally associated with the development and pathogenesis of equine sarcoids (Taylor and Haldorson, 2013). Sarcoids occur commonly in areas where biting flies congregate, including the medial aspects of the thighs, the ventral abdomen and axillae and around the eyes and ears. They can also occur on the distal limbs or trunk, particularly if there has been a previous wound. This has led to the speculation that the biting fly (Stomoxys calcitrans) may be a vector for transmission of disease. Research has shown that stable flies exposed to both equine sarcoid and bovine papilloma tissue resulted in a significant viral load within the fly, indicating that the flies may act as a vector for sarcoid transmission (Haspeslagh et al, 2018).

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equine

sarcoid

surgery

laser

adjunctive chemotherapy

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