
Cardiospondylocarpofacial syndrome (CSCF) is an ultra-rare genetic condition affecting the heart, bones, hearing, and development — and no family should face it alone.
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Cardiospondylocarpofacial syndrome (CSCF) is an ultra-rare genetic condition caused by variants in the MAP3K7 gene. It affects multiple body systems — the heart, spine, hands, feet, face, and hearing — and can present very differently in each person.
Because fewer than 30 cases have been genetically confirmed worldwide, families often spend years searching for answers before receiving a diagnosis. The rarity makes finding specialists, information, and peer support a tremendous challenge.
Exceptionally Rare
Fewer than 30 cases have been genetically confirmed in medical literature as of 2025, making CSCF one of the rarest genetic conditions known.
Systems Affected

MAP3K7 Gene
Chromosome 6q15
CSCF affects multiple body systems. Here are the key areas where families most often need guidance and connection.
Early therapy services — occupational, physical, and speech — can dramatically improve developmental outcomes for children with CSCF. Connect with early intervention programs in your area.
Get connectedMost children with CSCF have conductive hearing loss. Audiologists, hearing aids, and cochlear implant teams can provide critical support for communication and learning.
Get connectedCardiac involvement is a hallmark of CSCF. Finding a pediatric cardiologist experienced with complex congenital heart disease and rare syndromes is essential.
Get connectedChildren with CSCF may qualify for IEPs, 504 plans, and specialized services. Knowing your child's educational rights is a powerful tool for advocacy.
Get connectedNeed help finding the right specialist or resource?
Ask the CommunityFamilies, patients, caregivers, and researchers — all coming together around CSCF. Whatever stage you are at, there is a place for you here.
Join the CommunityConnect with families and access trusted CSCF resources.