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Thanatophoric dysplasia

Disease definition

Thanatophoric dysplasia (TD) is a severe and generally lethal skeletal dysplasia presenting in the prenatal period and characterized by micromelia, macrocephaly, narrow thorax, and distinctive facial features. It includes TD, type 1 (TD1) and TD, type 2 (TD2) (see these terms), that can be differentiated from each other by femur and skull shape.


  • Synonym(s):
    • TD
    • Thanatophoric dwarfism
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant or Not applicable 
  • Age of onset: Neonatal, Antenatal
  • ICD-10: Q77.1
  • OMIM: 156830  187600  187601
  • UMLS: C0039743
  • MeSH: -
  • GARD: 85
  • MedDRA: 10049808

Detailed information


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