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BMJ Case Rep. 2010; 2010: bcr1220092557.
Published online 2010 October 28. doi:  10.1136/bcr.12.2009.2557
PMCID: PMC3027976
Reminder of important clinical lesson

Maxillary sinus swelling in a child: clinical dilemma


A 7-year-old girl had presented with right cheek swelling noted 3 months earlier. It was slowly progressive. Swelling was well defined, non-tender, smooth, firm in consistency and measured 4×4 cm. Intraoral examination revealed no missing teeth. Permanent teeth – central incisors (upper and lower), primary lateral incisor, canine and first and second molar were present. X-ray paranasal sinuses showed well-defined unilocular radiolucency with a thin sclerotic border enclosing permanent first molar, premolar and canine on the right side and first molar on the left side. The cyst was removed by enucleation procedure. Mucoperiosteal flap was elevated, and paper thin bone overlying the cyst was removed. The cyst was enclosing the permanent canine, premolar and molar teeth. Histopathological report was consistent with the dentigerous cyst. After 1-year follow-up, the patient has no obvious swelling over the cheek.

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