Cherubism

Case contributed by Ahmed Abdrabou
Diagnosis almost certain

Presentation

Facial swelling and left proptosis

Patient Data

Age: 20 years
Gender: Male
ct

Bilateral rather symmetrical expanding osteolytic lesions affecting both mandibular rami with intact cortical margin and no soft tissue masses detected.

Another osteolytic lesion seen involving the left sphenoid bone and responsible for mild left proptosis.

Diagnosis: Maxillofacial fibrous dysplasia (Cherubism)

Case Discussion

The findings are consistent of cherubism, which has historically been considered a variant of fibrous dysplasia, but in reality is likely a distinct entity. 

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