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Median cleft of the upper lip and maxilla

Disease definition

Median cleft of the upper lip and maxilla is a rare, congenital, developmental defect during embryogenesis characterized by a midline vertical cleft through the upper lip and premaxillary bone (can also involve the nasal septum and central nervous system). The phenotypic spectrum is highly variable (ranging from a simple vermillion notch to a wide complete cleft) and hypo/hypertelorism, telecanthus, monophthalmia, flat or cleft nose, wide columella, median alveolar cleft and cranial malformations may be associated.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: Q18.8
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Additional information

Further information on this disease

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