‘Evil twin sister’ found in a woman’s brain during surgery

Yamini Karaman a Ph.D. student at Indiana University figured there was something wrong when she wouldn't "understand what was happening" when a couple of people were just "talking in room".

In Los Angeles Skull Base Institute the plans were main to surgically remove the tumor that the doctors thought Yamini had in her brain. But they made an extremely rare discovery in the process.

Yamini and her x-ray where you can see her embryonic twin
Yamini and her x-ray where you can see her embryonic twin


Inside Yamini's brain the surgeons found a teratoma. It was her actual 'embryonic twin'. The tumor resembled a fetus and even had teeth, bones and hair.

A Teratoma with hair, bone and teeth.
A Teratoma with hair, bone and teeth.


Most teratomas contain teeth, bones, and hair but in some cases, these tumors have eyes, hands, feet, limbs, or torso.

Yamini refers the tumor as her
evil twin sister who's been torturing me for the past 26 years.


Yamini Karaman who has an 'evil twin sister' in her brain.
Yamini Karaman who has an 'evil twin sister' in her brain.


Dr. Hrayr Shahinian of the Skullbase Institute said that it was only his second time to encounter teratoma out of 8,000 brain tumors he has removed.


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‘Evil twin sister’ found in a woman’s brain during surgery ‘Evil twin sister’ found in a woman’s brain during surgery Reviewed by TrendSpot on Saturday, April 25, 2015 Rating: 5

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