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Positional Plagiocephaly

By , About.com Guide

Updated November 13, 2011

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Lambdoid Synostosis

Abnormally shaped head due to lambdoid synostosis.

Photo © Millicent Odunze, M.D., M.P.H.

Background

“Plagiocephaly” is a term used to describe an asymmetric or abnormal head shape. It comes from the Greek words "plagios" which means oblique or slanted, and "kephale" which means head. Positional plagiocephaly is the most common of the skull deformities. It develops while the baby is in the womb, or while the infant is sleeping or laying down.

There are other causes of abnormal head shapes in babies, as well. To learn more about asymmetry due to the skull bones fusing improperly, see Craniosynostosis: Why Do Some Children Have Crooked Skulls?

Next Page: Causes of Positional Plagiocephaly

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