Overview
Gingival fibromatosis-facial dysmorphism syndrome (also known as Ramon syndrome or gingival fibromatosis with distinctive facies) is an extremely rare genetic disorder characterized by the combination of gingival fibromatosis (progressive overgrowth of the gum tissue) and distinctive facial features. The condition typically becomes apparent in infancy or early childhood as the gingival enlargement develops, which can interfere with tooth eruption, dental alignment, and oral hygiene. The facial dysmorphism associated with this syndrome may include features such as a bulbous soft nose, thick lips, hypertelorism (widely spaced eyes), and a broad nasal bridge. Additional features that have been reported in some patients include hypertrichosis (excessive hair growth), intellectual disability, epilepsy, hepatosplenomegaly, and cherubism (bilateral swelling of the jaws due to fibrous tissue replacement of bone). The skeletal system may also be affected in some cases. Treatment is primarily symptomatic and supportive. Gingival overgrowth is typically managed through surgical reduction (gingivectomy), although recurrence is common and repeated procedures may be necessary. Dental care and monitoring are essential components of management. Seizures, if present, are managed with standard antiepileptic medications. A multidisciplinary approach involving dentists, oral surgeons, geneticists, and other specialists is recommended for optimal care. There is currently no cure for this condition.
Clinical phenotype terms— hover any for plain English:
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Infantile
Begins in infancy, roughly 1 month to 2 years old
Treatments
No FDA-approved treatments are currently listed for Gingival fibromatosis-facial dysmorphism syndrome.
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Specialists
View all specialists →No specialists are currently listed for Gingival fibromatosis-facial dysmorphism syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Gingival fibromatosis-facial dysmorphism syndrome.
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Common questions about Gingival fibromatosis-facial dysmorphism syndrome
What is Gingival fibromatosis-facial dysmorphism syndrome?
Gingival fibromatosis-facial dysmorphism syndrome (also known as Ramon syndrome or gingival fibromatosis with distinctive facies) is an extremely rare genetic disorder characterized by the combination of gingival fibromatosis (progressive overgrowth of the gum tissue) and distinctive facial features. The condition typically becomes apparent in infancy or early childhood as the gingival enlargement develops, which can interfere with tooth eruption, dental alignment, and oral hygiene. The facial dysmorphism associated with this syndrome may include features such as a bulbous soft nose, thick li
How is Gingival fibromatosis-facial dysmorphism syndrome inherited?
Gingival fibromatosis-facial dysmorphism syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Gingival fibromatosis-facial dysmorphism syndrome typically begin?
Typical onset of Gingival fibromatosis-facial dysmorphism syndrome is infantile. Age of onset can vary across affected individuals.