Sarcoids are types of tumour which occur in the skin. They are the most common type of equine skin tumour and have a wide range of appearances.

Common places which we see sarcoids include between the back and front legs, around the sheath, eyes or ears or on the chest or abdomen. They are common in younger to middle aged horses but can present at any age, a genetic predisposition has been noted so there may be horses that are more prone to getting them.