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Review
. 2012 Jun;32(3):202-5.

Maxillary sinus osteoma: two cases and review of the literature

B Viswanatha  1
Affiliations
Review

Maxillary sinus osteoma: two cases and review of the literature

B Viswanatha. Acta Otorhinolaryngol Ital. 2012 Jun.

Abstract
in English, Italian

Osteomas are benign tumours characterized by proliferation of compact or cancellous bone. The most common site is the mandible, followed by the sinuses. These tumours are slow-growing, usually asymptomatic, and are generally discovered as incidental radiological findings. Osteomas occur commonly in frontal sinus, followed by the ethmoid and maxillary sinus, and very rarely in the sphenoid sinus. Symptoms arise when osteomas obstruct the ostium of the sinus or impinge on adjacent orbital or intracranial structures. Two cases of maxillary sinus osteoma are presented along with a review of the literature.

Gli osteomi sono tumori benigni caratterizzati da proliferazione dell'osso compatto. Il sito più frequente di origine è rappresentato dalla mandibola e a seguire dai seni paranasali. Si tratta di tumori a lenta crescita, generalmente asintomatici, diagnosticati di solito incidentalmente grazie ad esami radiologici. Gli osteomi dei seni paranasali si localizzano più frequentemente a livello del seno frontale, e a seguire in ordine di frequenza decrescente a livello dell'etmoide, del seno mascellare, e solo raramente nel seno sfenoidale. Diventano sintomatici in caso di ostruzione degli osti sinusali oppure in caso di compressione delle strutture orbitali o intracraniche adiacenti. Presentiamo due casi di osteoma del seno mascellare con revisione della letteratura.

Keywords: Maxillary sinus; Osteoma.

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Figures

Fig. 1.
Fig. 1.
CT scan showing a bony mass in the left maxillary antrum.
Fig. 2.
Fig. 2.
CT scan showing an osteoma and mucosal thickening in the right maxillary antrum and polypoidal mass in the left maxillary antrum.
Fig. 3.
Fig. 3.
Photomicrograph showing dense bone (H&E high power).
See this image and copyright information in PMC

References

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