Introduction

Facial dysmorphism is a classical feature of many syndromes, and commonly includes one or a combination of facial features such as low-set ears, hypotelorism or hypertelorism, micrognathia or retrognathia, frontal bossing, and sloping forehead. Considering some of these features are detectable prenatally, facial assessment in routine ultrasound (US) could lead to the diagnosis of chromosomal anomalies or polymalformative syndromes.

Disease

Definition

Facial dysmorphism includes all abnormalities in facial features that are usually associated with syndromic conditions.

Prevalence and Epidemiology

The prevalence and epidemiology of facial dysmorphism is ill defined, since under this common definition there is a wide group of conditions.

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