A member asked:

Is it rare to have a simian crease on both hands?

A doctor has provided 1 answer
Dr. Ecaterina Sartina answered

Specializes in Pediatrics

It's rare: It might be ~ 0.5-1% in the population. It's minor deviation and doesn't mean anything if no other signs or symptoms present. It's commonly associated with Down syndrome or trisomy 21.

Answered 1/6/2017

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