VOLUMETRIC ANALYSIS OF OSTEOMAS OF THE SPHENOID SINUS USING CONE BEAM COMPUTED TOMOGRAPHY

Abstract

Objectives: Osteomas are benign bone tumors characterized by slow growth, well-defined borders, and often asymptomatic presentation, frequently incidentally identified through radiography. Sphenoid sinus osteomas are particularly rare occurrences within the paranasal sinuses. This study aims to investigate the incidence and volumetric characteristics of sphenoid sinus osteomas. Material and Methods: This retrospective analysis involved the examination of cone-beam computed tomography (CBCT) images obtained from patients referred to the Department of Oral and Maxillofacial Radiology for various complaints. Two radiologists independently reviewed the images, recording instances of sphenoid sinus osteomas, their volumes, and patient demographics, which were subsequently subjected to statistical analysis. Results: A total of 1466 tomography images (821 females, 645 males) were assessed. Among these, 23 osteomas were identified within the sphenoid sinuses of 17 patients (8 females, 9 males). The mean volume of these osteomas was 183.59 mm³±168.56 (with a range of 9.98 to 552.80). No statistically significant difference in sphenoid osteoma volumes between males and females was observed (Mann-Whitney U test, U=30.000, p=0.564, z=-0.577). Conclusion: Consistent with existing literature, the incidence of sphenoid sinus osteomas in this study was found to be 1.15%. While asymptomatic osteomas detected via radiography typically do not warrant surgical intervention, regular radiographic follow-up is recommended to monitor for potential complications.

Keywords

• Cone-beam computed tomography
• osteoma
• sphenoid sinus

KONİK IŞINLI BİLGİSAYARLI TOMOGRAFİ KULLANILARAK SFENOİD SINÜS OSTEOMLARININ HACİMSEL ANALİZİ

Abstract

Amaç: Osteomlar, yavaş büyüme, iyi tanımlanmış sınırlar ve sıklıkla asemptomatik görünüm ile karakterize, sıklıkla tesadüfen radyografi ile tanımlanan iyi huylu kemik tümörleridir. Sfenoid sinüs osteomu paranazal sinüste görülen en nadir osteomlardır. Bu çalışmanın amacı sfenoid sinüs osteomlarının sıklığını ve volümetrik analizini araştırmaktır. Gereç ve Yöntemler: Bu retrospektif analiz, Ağız Diş ve Çene Radyolojisi Bölümü’ne çeşitli şikayetler nedeniyle başvuran hastalardan elde edilen konik ışınlı bilgisayarlı tomografi (KIBT) görüntülerinin incelenmesini içeriyordu. İki radyolog görüntüleri bağımsız olarak inceledi, sfenoid sinüs osteomlarının örneklerini, hacimlerini ve hasta demografik özelliklerini kaydetti ve bunlar daha sonra istatistiksel analize tabi tutuldu. Bulgular: 1466 (821 kadın, 645 erkek) hastanın tomografi görüntüleri değerlendirildi. 17 hastanın (Sekiz kadın, dokuz erkek) sfenoid sinüslerinde toplam 23 osteom saptandı. Ortalama osteoma hacmi 183,59 mm3±168,56 (min. 9,98, maks. 552,80) idi. Erkek ve kadın sfenoid osteoma hacimleri arasında anlamlı fark bulunamadı (Mann-Whitney U testi, U=30,000, p=0,564, z=-0,577). Sonuç: Literatüre uygun olarak bu çalışmada sfenoid sinüste osteom görülme sıklığı %1,15 olarak bulundu. Radyografide asemptomatik saptanan osteomlarda cerrahi tedavi önerilmemekle birlikte olası komplikasyon riskine karşı periyodik radyografik muayene ile takip edilmelidir.

Keywords

• Konik ışınlı bilgisayarlı tomografi
• osteoma
• sfenoid sinüs

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