A team of researchers led by the UAB has found the first ancient remains of a calcified ovarian teratoma, in the pelvis of the skeleton of a woman from the Roman era. The find confirms the presence in antiquity of this type of tumour -- formed by the remains of tissues or organs, which are difficult to locate during the examination of ancient remains. Inside the small round mass, four teeth and a small piece of bone were found. Teratomas are usually benign and contain remains of organic material, such as hair, teeth, bones and other tissues. There are no...