Anorectal teratoma in an adult woman

We present the case of a 21-year-old woman referred to us with the diagnosi s of a pelvic mass originating in the lower rectum. Following preoperative assessment she underwent surgery from a posterior approach. The pathology o f the removed mass revealed an extremely rare rectal tumor - an anorectal t eratoma of the mature type. We describe the successful surgical treatment, together with radiological, microscopic and perioperative appearance.