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I'm curious to learn about the most human teratoma ever recorded. By most human I mean the teratoma which most resembles the form of a human being.

I suppose there are several criteria which would contribute to this criteria: -Most organs, and components found in a human (e.g. brain, teeth, organs, etc.) -Most closely organized structurally like a developing human.

Also I was wondering. Given the right conditions could a teratoma grow into a living being? Could they theoretically develop the necessary organs to be excised from their host and sustain the functions necessary for survival.

Basically I am curious to learn about the possibility of teratoma maturing into a bonafide organism.

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up vote 4 down vote accepted

There's a 2003 paper published in the Journal of Korean Medical Science describing a case of a 'homunculus' within a teratoma: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3055135/

It contained some hair, brain tissues, cranial and other bones, but no internal organs.

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Way cool. This is the best example I've seen thus far. Thanks for bringing it up. –  ColinInSpace May 11 at 4:14
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