Miniature brain discovered in girl's ovary

• Autores: Alice Klein
• Localización: New scientist, ISSN 0262-4079, Nº. 3108, 2017, pág. 14
• Idioma: inglés
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• Resumen

  • A tumor containing a small brain has been found growing on the ovary of a 16-year-old girl in Japan. The 10-centimeter-wide tumor was discovered when the girl had surgery to remove her appendix. Inside the tumor, doctors found clumps of hair, and a 3-centimeter-wide brain-like structure covered by a thin plate of skull bone. Closer analysis revealed that it was a small version of a cerebellum, which usually sits underneath the brain's two hemispheres. A mass on one side resembled a brainstem--the structure that normally joins to the spinal cord.