Medical horror often presents visions of body horror: awful things with, in, and to our flesh. Today's example concerns a poor woman who suffered badly from a brain tumor. But it wasn't actually a tumor:
[surgeon] Shahinian made a tiny incision in the back of [patient] Karanam’s head, then strung an endoscope into her skull and through a natural channel in her brain to the site of the tumor. That’s when the doctor made a startling discovery.
Karanam’s tumor wasn’t just a tumor. It was a teratoma: a clump of bone, hair and teeth. A Frankenstein’s monster within Karanam’s own mind.
From headaches to a private monster. Or one's own doppelganger:
When Karanam awoke in the hospital, she was stunned to learn that her tumor wasn’t just a lump of cells, but her “evil twin sister who’s been torturing me for the past 26 years,”