부비동 내시경 수술에서 Cone Beam Computed Tomography의 유용성 (The Usefulness of Cone Beam Computed Tomography in Endoscopic Sinus Surgery)

서지정보

· 발행기관 : 대한비과학회
· 수록지 정보 : Journal of Rhinology / 19권 / 1호 / 45 ~ 49페이지
· 저자명 : 우원근, 이용배, 정도광, 신우철, 이상덕

초록

Background and Objectives : Cone beam CT is a relatively new radiologic technique for head and neck imaging,and is widely used in dentistry to plan implant procedures. Compared to conventional CT, it has greater spatial resolution, a lower radiation dose (about 10% that of conventional CT), and lower cost. The objective of this study was to evaluate the utility of cone beam CT for endoscopic sinus surgery. Subjects and methods : A total of 50 patients were involved. Endoscopic sinus surgery was performed unilaterally under local anesthesia, so we used the half Lund-Mackay score to quantify preoperative CT findings. The intraoperative severity score was also determined, and the relationship between the preoperative Lund-Mackay score and intraoperative severity was assessed. The subjective level of operator satisfaction was scored on a ten-point visual analogue scale in terms of four items: overall satisfaction, disease extent of each sinus, identification of anatomic landmarks, and distinction of soft tissue characteristics. Results : The preoperative half Lund-Mackay score was 5.26 and the intraoperative severity score was 5.02; these two scores were significantly correlated (p < 0.01). The level of overall operator satisfaction was relatively high (9.04/10). Conclusion : Cone beam CT is a useful imaging method for preoperative evaluation of endoscopic sinus surgery.

영어초록

Background and Objectives : Cone beam CT is a relatively new radiologic technique for head and neck imaging,and is widely used in dentistry to plan implant procedures. Compared to conventional CT, it has greater spatial resolution, a lower radiation dose (about 10% that of conventional CT), and lower cost. The objective of this study was to evaluate the utility of cone beam CT for endoscopic sinus surgery. Subjects and methods : A total of 50 patients were involved. Endoscopic sinus surgery was performed unilaterally under local anesthesia, so we used the half Lund-Mackay score to quantify preoperative CT findings. The intraoperative severity score was also determined, and the relationship between the preoperative Lund-Mackay score and intraoperative severity was assessed. The subjective level of operator satisfaction was scored on a ten-point visual analogue scale in terms of four items: overall satisfaction, disease extent of each sinus, identification of anatomic landmarks, and distinction of soft tissue characteristics. Results : The preoperative half Lund-Mackay score was 5.26 and the intraoperative severity score was 5.02; these two scores were significantly correlated (p < 0.01). The level of overall operator satisfaction was relatively high (9.04/10). Conclusion : Cone beam CT is a useful imaging method for preoperative evaluation of endoscopic sinus surgery.

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