作者
Joel G Fletcher, Lifeng Yu, Zhoubo Li, Armando Manduca, Daniel J Blezek, David M Hough, Sudhakar K Venkatesh, Gregory C Brickner, Joseph C Cernigliaro, Amy K Hara, Jeff L Fidler, David S Lake, Maria Shiung, David Lewis, Shuai Leng, Kurt E Augustine, Rickey E Carter, David R Holmes III, Cynthia H McCollough
发表日期
2015/8
期刊
Radiology
卷号
276
期号
2
页码范围
465-478
出版商
Radiological Society of North America
简介
Purpose
To determine if lower-dose computed tomographic (CT) scans obtained with adaptive image-based noise reduction (adaptive nonlocal means [ANLM]) or iterative reconstruction (sinogram-affirmed iterative reconstruction [SAFIRE]) result in reduced observer performance in the detection of malignant hepatic nodules and masses compared with routine-dose scans obtained with filtered back projection (FBP).
Materials and Methods
This study was approved by the institutional review board and was compliant with HIPAA. Informed consent was obtained from patients for the retrospective use of medical records for research purposes. CT projection data from 33 abdominal and 27 liver or pancreas CT examinations were collected …
引用总数
201520162017201820192020202120222023202425971138273