India, July 28 -- Dr Kunal Sood, an anesthesiology and interventional pain medicine physician, shared an Instagram post on July 27 to highlight what teratomas are - a type of tumour that can contain several different types of tissues, including hair, muscle, teeth, or bone. They are usually benign, he said as he reacted to a woman's video in which she expressed shock over her having the rare tumour. Also read | 'Evil' embryonic twin removed from Indian woman's brain in US

She wrote about her video: "Me waking up after surgery finding out my 'ovarian cyst' was actually a teratoma with hair, teeth and an eyeball? And that it grew so big, it twisted and killed my ovary."

In his caption, Dr Sood wrote, "Some ovarian 'cysts' turn out to be t...