How do I know if I have Cherubism?

Cherubism is a rare genetic condition characterized by the progressive, painless enlargement of the lower and upper jawbones, typically appearing in early childhood. Diagnosis is primarily confirmed through clinical examination, characteristic radiographic findings of "multilocular cystic" bone lesions, and genetic testing for mutations in the SH3BP2 gene.

What are the early signs of Cherubism?

The hallmark of Cherubism is bilateral swelling of the cheeks and jaws, which usually begins between the ages of 2 and 7 years. Because Cherubism is a self-limiting condition that often stabilizes after puberty, parents or patients may notice a gradual increase in jaw fullness that eventually plateaus. Unlike many other jaw pathologies, the lesions associated with Cherubism are generally painless, though they may cause dental crowding, displaced teeth, or difficulty with chewing and speech as the bone remodels.

How is a diagnosis of Cherubism confirmed?

If you suspect Cherubism, you should consult a maxillofacial surgeon or a clinical geneticist. A formal diagnosis typically involves:

• Clinical Assessment: Observation of symmetrical jaw enlargement.


• Imaging: Panoramic X-rays or CT scans that reveal characteristic "soap bubble" or multilocular radiolucencies in the mandible or maxilla.


• Genetic Testing: Identification of a pathogenic variant in the SH3BP2 gene (found in approximately 80% of clinical cases).

When should I seek urgent medical evaluation?

While Cherubism is typically benign, you should seek urgent care if you experience rapid or asymmetrical growth, severe pain, vision changes (if the orbital floor is involved), or difficulty breathing or swallowing. These signs are not typical of standard Cherubism and require immediate investigation by a specialist to rule out other bone pathologies.

How can I advocate for my health?

If you feel your concerns about Cherubism are being dismissed, request a referral to a craniofacial center or an academic medical institution. Bring copies of your imaging and a family history record, as Cherubism follows an autosomal dominant inheritance pattern, meaning there is a 50% chance of passing the gene to offspring.

Next steps

• Consult an oral and maxillofacial surgeon for a baseline jaw assessment.


• Request a referral to a genetic counselor to discuss SH3BP2 mutation testing.


• Connect with the community at DiseaseMaps.org to share experiences with others living with this rare condition.

Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment.

References

• NIH Genetic and Rare Diseases Information Center (GARD): Cherubism.


• Orphanet: Cherubism (ORPHA:166).


• OMIM (Online Mendelian Inheritance in Man): #118400 - Cherubism.