Dermoid fistula is a surgical pathology that consists of penetration of the skin through the epidermis and into the subcutaneous tissue with the formation of a small fistula channel. Its formation is caused by inflammation around the hair follicle and is often accompanied by suppuration of the duct. A fistula is a “hole” in the skin through which purulent or serous discharge can be released. In this article we will look at the types of fistulas and their treatment.
Types of fistulas - Montgomery's anomaly It is one of the most common types of fistulas. The formation of an anomaly is associated with a violation of the development of the excretory ducts of the sebaceous glands located