Facial Canal Dehiscence and Coexisting Abnormalities; Radiological- Surgical Correlation Fasi̇al Kanal Defekti̇ Ve Eşli̇k Eden Anomali̇ler; Radyoloji̇k Cerrahi̇ Korelasyon
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DOI: 10.4328/JCAM.4966 Received: 02.03.2017 Accepted: 16.03.2017 Printed: 01.04.2017 J Clin Anal Med 2017;8(suppl 2): 121-4 Corresponding Author: Hediye Pınar Günbey, Departmentof Radiology, Neuroradiology Section, Ondokuz Mayıs University, Samsun, Turkey. T.: +90 3623121919 GSM: +905054579052 F.: +90 3622778865 E-Mail: [email protected] Öz Amaç: Fasial kanal defekti (FKD) kolesteatom cerrahisinde en dikkat edilmesi gereken durumlardan biridir. Vakaların büyük çoğunluğunda timpanik porsiyon defektin en çok görüldüğü lokalizasyondur. ÇKBT temporal kemik görüntülemesinde standart metottur. Bu çalışmada cerrahide FKD saptanan olgularda eşlik eden radyolojik-cerrahi bulguları karşılaştırmayı amaçladık. Gereç ve Yöntem: Retrospektif olarak Fakültemizde Nisan 2011 ve Nisan 2016 tarihleri arasında opere olan 351 hastadan peroperatif MDBT tetkiki olan 64 hastanın radyolojik ve cerrahi bulgularını karşılaştırdık. Bulgular: Pozitif cerrahi bulgular dış kulak yolu (DKY) hasarı (31.2%), FKD (100%), antrum genişlemesi (AG) (57.8%), kemikçik erozyonu (96.8%), lateral semisirküler kanal (LSSK) defekti (18.7%), süperior semisirküler kanal (SSSK) defekti (1.5%) ve kohlear defekt (4.6%) idi. Pozitif ÇKBT bulguları dış kulak yolu (DKY) hasarı (37.5%), FKD (93.7%), antrum genişlemesi (AG) (82.8%), kemikçik erozyonu (96.8%), lateral semisirküler kanal (LSSK) defekti (18.7%), süperior semisirküler kanal (SSSK) defekti (6.2%) ve kohlear defekt (4.6%) idi. Bu çalışmada ÇKBT’nin en hassas belirlediği patolojiler FCD (93.7%), AG (82.8%),kemikçik erozyonu (96.8%) and scutum hasarı (68.7%) idi. Kemikçik erozyonu, AG ve LSSK fistula cerrahi ve BT bulguları korelasyon analizinde pozitif ilişki gösterdiler (p=0.001). Tartışma: ÇKBT ve klinik bulgular arasındaki korelasyonlar cerrahi öncesi muhtemel sorunların daha iyi teşhisine yol açabilir ve kolesteatoma cerrahilerinin başarısını artırır. Çok düzlemsel görüntülemenin kombine analizi, özellikle timpanik bölgede FKD’nin pozitif teşhis oranını geliştirmektedir.
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