Archaeologists have found the 1,600-year-old skeleton of a Roman woman who had an ovarian teratoma, the first to be recorded in the ancient world. Such benign tumors originate from germ cells, which normally become human eggs and so can form other body parts. This particular tumor had calcified in her pelvis and contained bone and four deformed teeth.
Calcified teratoma found in pelvis of Roman woman. Archaeologists working in the necropolis in Spain have found the 1,600-year-old remains of a Roman woman with a calcified tumor in her pelvis. The tumors come from germ cells, which form human eggs and can create hair, teeth and bone, among other structures. There are some really good pictures of the actual tumor on this website.