Hirschsprung disease - nail hypoplasia - dysmorphism is a fatal malformative disorder that is characterized by Hirschsprung disease, hypoplastic nails, distal limb hypoplasia and minor craniofacial dysmorphic features (flat facies, upward slanting palpebral fissures, narrow philtrum, narrow, high arched palate, micrognathia, low set ears with abnormal helices). Hydronephrosis has also been reported. There have been no further descriptions of Hirschsprung disease - nail hypoplasia - dysmorphism syndrome in the literature since 1988. The disease is Monarch Disease Ontology term MONDO_0009344 (Hirschsprung disease-nail hypoplasia-dysmorphism syndrome). Also known as: Al Gazali-Donnai-Muller syndrome.