Orphanet: Okamoto syndrome
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Okamoto syndrome

Disease definition

A rare multiple congenital anomalies/dysmorphic syndrome characterized by severe developmental delay and intellectual disability, generalized hypotonia, growth failure, hydronephrosis, cardiac anomalies, and dysmorphic craniofacial features (such as microcephaly, hypertrichosis, synophrys, long eyelashes, epicanthus, flat nasal bridge, short, upturned nose, long philtrum, low-set ears, open-mouth appearance, full lower lip, cleft palate, and webbed neck). Thin corpus callosum, tethered spinal cord, intestinal malrotation, anal stenosis, and uterus didelphys have also been reported.

ORPHA:2729

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Unknown 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q87.8
  • OMIM: 604916
  • UMLS: -
  • MeSH: -
  • GARD: 4064
  • MedDRA: -

  A summary on this disease is available in Deutsch (2006) Italiano (2006) Español (2021) Français (2021) Nederlands (2021) Greek (2006, pdf)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.