Adalida Tyler was born with a rare condition known as sacrococcygeal teratoma. When Kristin Tyler went in for a routine ultrasound 20 weeks into her second pregnancy, she said she was not prepared to ...

Teratomas are embryonal tumors that arise in the germ cells and contain different types of tissues, including bone, teeth, hair, and muscle. 1 Scientists have classified teratomas as a rare type of ...

A tumor with teeth was found in a 3,000-year-old ancient Egyptian burial site. The tumor, a teratoma, is a rare find in archaeology. It was found near a ring that may have been thought to magically ...

CARBONDALE, ILLINOIS—A team of scientists led by bioarchaeologist Gretchen Dabbs of Southern Illinois University Carbondale has identified a possible ovarian teratoma in the more than 3,000-year-old ...