4q21 microdeletion syndrome
Synonyms: Del(4)(q21) | Monosomy 4q21
The 4q21 microdeletion syndrome is a newly described syndrome associated with facial dysmorphism progressive growth restriction severe intellectual deficit and absent or severely delayed speech.
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 2024
Newly diagnosed with
4q21 microdeletion syndrome?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
Rare Chromosome Disorder Support Group – Unique
Providing support and information to anyone affected by a rare chromosome or gene disorder, their families and the professionals caring for them.
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Clinical Trials
For a list of clinical trials in this disease area, please click here.