Facial clefts

Last revised by Mostafa Elfeky on 30 May 2020

Facial clefts comprise a wide spectrum of pathologies that result from failure of fusion in the facial region during the embryonic/early fetal period. The result is a gap in the fetal face. These clefts can affect the lip, philtrum, alveolus, and hard and soft palate to varying degrees. 

Entities that fall under this group include

Overall there is a broad spectrum of severity ranging from minimal defects (e.g bifid uvula) to large deep clefts involving both bone and soft tissues.

Epidemiology

The estimated incidence of isolated facial clefts may be as high as 1 in 1000 births 1.

Pathology

Classification

There are several classification systems for facial clefts

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