Synonyms: 4p- syndrome | Distal deletion 4p | Distal monosomy 4p | Telomeric deletion 4p
A developmental disorder characterized by typical craniofacial features prenatal and postnatal growth impairment intellectual disability severe delayed psychomotor development seizures and hypotonia.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Wolf-Hirschhorn syndrome?
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Advocacy Organizations
Genetic Epilepsy Team Australia
Collaboration of research and care
Liv4TheCure
Advancing science and technology for rare chromosomal deletion syndromes.
PPP2CA Pathways
PPP2CA Pathways connects families, shares strength, and supports the research community in the search for answers to Houge-Janssens Syndrome type 3.
Rare Chromosome Disorder Support Group – Unique
Through sharing knowledge and lived experience, Unique helps families and professionals navigate the world of chromosome and gene disorders
Rare Epilepsy Network (REN)
Improving outcomes of people with rare epilepsies through an innovative collaborative infrastructure that drives urgent, patient-centered research, educaiton and advocacy.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.