Baby born with a parasitic second head dies despite 18-doctor surgical marathon By Michael Day, Health Correspondent (Filed: 08/02/2004) An attempt to remove an undeveloped second head from a baby girl born with one of the world's rarest birth defects ended in tragedy yesterday when she died hours after undergoing surgery. In a pioneering 12-hour procedure, an international team of doctors had separated Rebeca Martinez, a seven-week-old infant from the Dominican Republic in the Caribbean, from the "parasitic head" that was growing faster than her own and that, left attached, would have killed her. Rebeca's condition, craniopagus parasiticus, or parasite...