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Yıl:2009; Cilt: 1; Sayı: 3>> Özet
Geriatri ve Geriatrik Nöropsikiyatri Dergisi; 2009;1(3):27-31
Yaşlılarda Sfenoid Sinüs Hacminin Belirlenmesinin Cerrahi Önemi
NG Mas, SL Şenan, HS Karabekir, S Korkmaz, Ü Karaçaylı
Afyon Kocatepe Üniversitesi Tıp Fakültesi
Amaç: Paranazal sinüslerden biri olan sfenoid sinüs basis cranii'nin merkezinde lokalize ve çevresi sayısız nörovasküler yapıyla çevrili bir yapıdır. Sfenoid sinüs anatomisi, insandan insana hatta ayni bireyde sağ ve sol taraf arasında dahi farklılıklar gösterebilir. Sfenoid sinüslerdeki asimetrik farklılıkların ortaya konulması ve volüm özelliğinin belirlenmesi, normal ile patolojik bulgular arasındaki ilişkinin belirlenmesinde ve bu bölgeye ait cerrahi işlemlerin güvenli olarak gerçekleştirilmesinde büyük önem taşır. Literatürde paranazal sinüslerin bir çoğunun tiplendirilmesi ya da volumetrik değerlendirmeleri farklı yöntemlerle ve materyalde gösterilmiş olmakla birlikte yaşlı popülasyonda otomatik yöntemle volumetrik değerlendirme ve sağ sol simetrisinin değerlendirilmesi yer almamıştır. Var olan sonuçlar da varyatif ve biribirinden farklı sonuçlar içermektedir.

Gereç ve Yöntemler: Çalışmada yaşları 64-76 arasında değişen, beyin cerrahisi ve oral-maksillofasiyal cerrahi servislerine başvurmuş, sağlıklı olduğu saptanan 10 (4 kadın 6 erkek) olgunun arşiv taraması ile MRI sonuçları incelenmiş, bu olguların sfenoid sinüs morfolojileri ve volumetrik değişiklikleri bilgisayar destekli ölçüm yöntemi olan Osiris 4.19 yöntemiyle retrospektif olarak ortaya konulmuştur.

Bulgular ve Sonuç: Bir kadın olgu hariç olguların tamamında sol sfenoid sinüs hacmi sağdan büyük olarak bulundu. Kadınların sağ sinüs hacim ortalaması erkeklerden büyüktü. Çalışmamızda ortaya koyulan sfenoid sinüs hacim ölçümlerinin, bu bölgenin cerrahi girişimlerinde anatomik yapısının bilinmesine katkı sağlayacağı inancındayız.
Surgical importance of sphenoid sinus volume in elderly
AIMS: Understanding normal anatomical and asymmetrical features and volumetric values of the paranasal sinuses may help in clinical planning of medical or surgical interventions of the paranasal sinuses. Paranasal sinus anatomy is complex and rather variable from person to person. Significant differences in structure between the two sides may also exist in the same person. The sphenoid sinus is located in the center of the cranial base and is surrounded by numerous neurovascular structures. There is a considerable variation and ambiquity in size and volume of the spheniod sinuses between the right and left sides. The normative size rather than the comparison with the opposite side can be used for treatment planning and evaluation of the surgical outcome. And, it is necessary to have convenient data, which is well correlated with the volume. The MRI datasets were preselected to achieve a standard size for the evaluating of the sinus using tracing technique with Osiris 4.18 software programme. This study was performed retrospectively on sagittal MR scan images taken from 10 patients (4 female and 6 male subjects) aged between 64 and 76 [year]s who had been referred to the Neurosurgery and Oral-Maxillofacial Surgery Clinics. The MR scan images of whole section series were used to estimate the sinus volume of a subject.

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