Orphanet: Atresia of urethra

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Atresia of urethra

Disease definition

A rare fetal lower urinary tract obstruction (LUTO) characterized by closure or failure to develop an opening in the urethra and resulting in obstructive uropathy presenting in utero as megacystis, oligohydramnios or anhydramnios, and potter sequence.


Classification level: Disorder
  • Synonym(s):
    • Urethral atresia
  • Prevalence: -
  • Inheritance: Not applicable 
  • Age of onset: Neonatal, Antenatal
  • ICD-10: Q64.3
  • OMIM: -
  • UMLS: C0345345  C1610065
  • MeSH: -
  • GARD: -
  • MedDRA: 10064895
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