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Table 1 Common genetic conditions associated with micrognathia

From: Focus on Prenatal Detection of Micrognathia

1. Chromosomal abnormalities
 Trisomy 18/13/9/8
 Turner Syndrome
 Di George Syndrome (22q11 deletion0)
 Deletions of Chromosome 4/5
 Pallister–Killian Syndrome
2. Primary mandibular disorders
 Pierre Robin Syndrome
 Treacher–Collins Syndrome
 Cerebrocostomandibular Syndrome
 Mandibuloacral dysplasia
 Oromandibular-limb Syndrome
3. Skeletal and neuromuscular diseases
 Arthrogryposis
 Pena–Shokeir Syndrome
 Multiple pterygium Syndrome
 Osteo-chondrodysplasia
4. Other syndromic conditions
 Meckel–Gruber Syndrome
 Noonan Syndrome
 Smith–Lemli–Opitz Syndrome
 Russell Silver Syndrome
 Cornelia de Lange Syndrome
 Harlequin syndrome
 Beckwith–Wiedeman Syndrome