Dermoid sinus in dogs

A congenital defect where a narrow tube of skin extends down into the tissues along the back, sometimes reaching the spine. It can become blocked or infected, causing pain, swelling and, if it reaches the spinal cord, serious illness.

Note. Breed associations are compiled from RVC VetCompass / AKC / PDSA and are indicative, not a diagnosis or veterinary advice. Browse all conditions or the breed directory.