What is macroglossia?

Also known as: enlarged tongue

Macroglossia is the medical term for when a child is born with an enlarged tongue. It is one of the most common features of Beckwith-Wiedemann Syndrome (BWS), affecting around 90 percent of children with the congenital disorder. If left untreated, macroglossia can lead to dental-skeletal deformities including open bite, crossbite, and jaw problems.


Reviewed by: Chad Perlyn, MD

This page was last updated on: 1/29/2019 3:21:13 PM

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