A rare occurrence of giant dermoid cyst in the left ischiorectal fossa in a 25-year-old female patient: a case report.

A dermoid cyst, also called a benign cystic teratoma, often presents as a midline mass in the trunk or sacrococcygeal region, and more commonly in the skin of the face, forehead, and scalp. Although the ischiorectal fossa contains very few structures, a wide variety of pathological entities, such as developmental cysts, epidermoid cysts, lipomas, neurofibromas, and tailgut cysts, have been reported. Dermoid cysts in the ischiorectal fossa are rare, and very few cases have been reported in the scientific literature. This case report presents an uncommon presentation of a dermoid cyst in the ischiorectal fossa in a 25-year-old female patient.