Sunday, February 23, 2014

Abnormal set of Twins: Craniofacial Duplication

Edward Mordrake was believed to have an extra face that could laugh and cry--he committed suicide at the age of 23.


Craniofacial Duplication is extremely rare and is form of conjoined twinning that occurs in about 0.4 percent of all conjoined twin cases. In all cases a single head with two cranial structures are attached to one body. The first case (discovered in literature) was found in 1884 and since then, there have been 35 cases known world wide.
Craniofacial Duplication of a girl at 2 and 1/2 weeks old from India

Craniofacial duplication is formed during the 2nd week of pregnancy which is a result of the embryo not spitting into two separate twins.
Most infants born with this condition do not live very long as they are born with many abnormalities of the central nervous system, the cardiovascular system, gastrointestinal system, respiratory system and sometimes a cleft lip and palate. 
Instances of Craniofacial duplication has not only been seen in humans, but also animals such as cats.
Craniofacial Duplication of  the cat Duecy also known as Janus cat, courtesy of

While an infant born with Craniofacial Duplication life expectancy if very short, cats with this condition have be known to live for years. In 2011, a Janus cat named Frankenlouie was inducted into the Guinness Book of World Records for being the oldest living Janus cat at age 12.

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