Fibroma involving the maxillary sinus is extremely rare. The first reported case, involving the floor of the antrum, was described by J. Harper in 1927: There are frequent reports by other authors, but their cases have usually been ossifying fibromas, juvenile fibromas, benign giant-cell tumors, and fibromas of the nasal cavity or other sinuses that invade the antrum.
Report of Case
A 5-year-old girl with a history for the previous year of a swelling of the right cheek with upward displacement of the bulb and total obstruction of the nasal cavity. She had no history of epistaxis. Her skin was of normal color and mobility. There was a fullness of gingivolabial fold (buccoalveolar sulcus) which on pressure was hard, fluctuated slightly, but was not painful. The ears, mouth, teeth, and pharynx appeared normal. Her general condition was good. Upon transilumination, the right maxillary sinus appeared dark compared with the left.
TSIKOUDAS EC. Papillary Fibroma (Mole) of the Maxillary Antrum. AMA Arch Otolaryngol. 1960;71(5):807–809. doi:https://doi.org/10.1001/archotol.1960.03770050067010
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