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논문 기본 정보

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학술저널
저자정보
Kim, Min-Sung (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Kim, Bok-Yeol (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Choi, Hwa-Young (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Choi, Yoon-Joo (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Oh, Song-Hee (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Kang, Ju-Hee (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Lee, Sae-Rom (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Kang, Ju-Han (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Kim, Gyu-Tae (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Choi, Yong-Suk (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Hwang, Eui-Hwan (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee U)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제45권 제1호
발행연도
2015.1
수록면
31 - 39 (9page)

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Purpose: This study was performed to evaluate the feasibility of visualizing soft tissue lesions and vascular structures using contrast-enhanced cone-beam computed tomography (CE-CBCT) after the intravenous administration of a contrast medium in an animal model. Materials and Methods: CBCT was performed on six rabbits after a contrast medium was administered using an injection dose of 2 mL/kg body weight and an injection rate of 1 mL/s via the ear vein or femoral vein under general anesthesia. Artificial soft tissue lesions were created through the transplantation of autologous fatty tissue into the salivary gland. Volume rendering reconstruction, maximum intensity projection, and multiplanar reconstruction images were reconstructed and evaluated in order to visualize soft tissue contrast and vascular structures. Results: The contrast enhancement of soft tissue was possible using all contrast medium injection parameters. An adequate contrast medium injection parameter for facilitating effective CE-CBCT was a 5-mL injection before exposure combined with a continuous 5-mL injection during scanning. Artificial soft tissue lesions were successfully created in the animals. The CE-CBCT images demonstrated adequate opacification of the soft tissues and vascular structures. Conclusion: Despite limited soft tissue resolution, the opacification of vascular structures was observed and artificial soft tissue lesions were visualized with sufficient contrast to the surrounding structures. The vascular structures and soft tissue lesions appeared well delineated in the CE-CBCT images, which was probably due to the superior spatial resolution of CE-CBCT compared to other techniques, such as multislice computed tomography.
#Cone-Beam Computed Tomography #Contrast Media #Soft Tissue #Radiography

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참고문헌 (30)

참고문헌 신청
Kalender WA / 2007 / Flat-detector computed tomography(FD-CT) / Eur Radiol 17:2767~2779 google schola Kalender WA. / 2003 / The use of flat-panel detectors for CT imaging / Radiologe 43:379~387 google schola Scarfe WC / 2006 / Clinical applications of cone-beam computed tomography in dental practice / J Can Dent Assoc 72:75~80 google schola Kapila S / 2011 / The current status of cone beam computed tomography imaging in orthodontics / Dentomaxillofac Radiol 40:24~34 google schola Yu JJ / 2012 / Accuracy of a cone beam computed tomography-guided surgical stent for orthodontic mini-implant placement / Angle Orthod 82:275~283 google schola

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