用于正畸应用的计算机断层扫描中不同剂量降低系统的比较。
Comparison of different dose reduction system in computed tomography for orthodontic applications.
作者信息
Fanucci E, Fiaschetti V, Ottria L, Mataloni M, Acampora V, Lione R, Barlattani A, Simonetti G
机构信息
Department of Diagnostic and Molecular Imaging, Interventional Radiology and Radiation Therapy.
出版信息
Oral Implantol (Rome). 2011 Jan;4(1-2):14-22. Epub 2011 Nov 8.
Abstract
TO CORRELATE DIFFERENT CT SYSTEM
MSCT (multislice computed tomography) with different acquisition parameters (100KV, 80KV), different reconstruction algorithm (ASIR) and CBCT (cone beam computed tomography) examination in terms of absorbed X-ray dose and diagnostic accuracy.80 KV protocols compared with 100 KV protocols resulted in reduced total radiation dose without relevant loss of diagnostic image information and quality. CBCT protocols compared with 80 KV MSCT protocols resulted in reduced total radiation dose but loss of diagnostic image information and quality although no so relevant.In addition the new system applies to equipment ASIR applicable on MSCT allows 50% of the dose without compromising image quality.
摘要
关联不同的CT系统：具有不同采集参数（100千伏、80千伏）、不同重建算法（自适应迭代剂量降低技术）的多层螺旋计算机断层扫描（MSCT）以及锥形束计算机断层扫描（CBCT）在吸收X射线剂量和诊断准确性方面的情况。与100千伏协议相比，80千伏协议可降低总辐射剂量，且不会造成诊断图像信息和质量的相关损失。与80千伏MSCT协议相比，CBCT协议可降低总辐射剂量，但会损失诊断图像信息和质量，尽管不太明显。此外，新系统适用于MSCT上适用的ASIR设备，可在不影响图像质量的情况下将剂量降低50%。
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