The goals of treating dermoid cysts are to remove them and, hopefully, to prevent their recurrence. Surgical excision is the treatment of choice.
Depending upon the size and location of the cysts, removal may be done under sedation and local anesthesia, or it may require general anesthesia. Usually, the surgical procedure is quite simple. Occasionally, however, the site of the cysts may become inflamed and infected postoperatively. If that happens, oral antibiotics and topical medicated treatments will probably be recommended by the attending veterinarian. Another treatment option is “benign neglect.” This means just keeping an eye on the cysts without implementing any type of treatment. If the cysts do not rupture and are not causing the dog any apparent discomfort, removing them basically is a cosmetic option for the benefit of the owner.
The outlook for dogs with dermoid cysts is generally quite good to excellent, especially if they do not rupture or become infected either before or after surgical removal.