CASE HISTORY / CLINIC:
Patient with mild facial pains on the left side that radiate to the left cheek region. The mirror examination revealed no pathological finding.


FINDINGS:
The lateral and posterior walls of the right maxillary sinus appear signifficantly swollen in the axial CT scans of the maxillary sinus. The right-sided zygoma and the zygomatic bone also demonstrate considerable thickening. This bony changes fill the right maxillary sinus subtotally. The right temporomandibular joint (the portion of the temporal bone) also demonstrates a bony thickening unlike the left side. These bony changes could be generally described as being pumiceous. Swelling of mucous membrane of both maxillary sinuses are also visualized.


DIAGNOSIS:
Large fibrous dysplasia on the right side of the maxilla with subtotal occlusion of the right maxillary sinus. Fibrous dysplasia of the zygomatic bone, zygomatic arch and right temporal bone.


DIFFERENTIAL DIAGNOSIS:
Other osteogenic diseases.



Suggestions for further reading:

1) Amersham Health
2) Chorus
3) Universität Ulm