Stem cell tourism leads to tumour

Patients considering stem cell tourism should take heed of the disturbing case of an American lawyer who had overseas spinal stem cell implants in an attempt to treat paralysis from a stroke.

The 66 year old man had intrathecal infusions at commercial stem cell clinics in China, Argentina and Mexico, report neurosurgeons in a letter to the New England Journal of Medicine.

Doctors at the stem cell clinics variously told the man