Rare case: Parasitic twin in child's brain - Motherhood Hospital India.

A ‘parasitic unborn twin’ found in a one-year-old’s brain; what causes this?

Rare case: Parasitic twin in child's brain - Motherhood Hospital India.

Doctors in China’s Shanghai removed an “unborn twin” from the brain of a one-year-old girl, according to a study published in Neurology, a peer-reviewed journal.