Sinha S, Sinha U, Kangarloo H, Huang H K
Department of Radiological Sciences, School of Medicine, University of California, Los Angeles 90024-1721.
AJR Am J Roentgenol. 1992 Jul;159(1):199-205. doi: 10.2214/ajr.159.1.1609698.
This article describes an interactive teaching module, linked to a picture archiving and communications system (PACS) data base, for teaching radiology. The module is currently tailored to MR images but can be adapted to any other imaging technique. An algorithm has been developed that allows the use of MR images acquired with routine clinical protocols and stored in the data base to yield, in real time, images at any other arbitrary TE and TR. In the browse mode, the user can study either the effect of different scan parameters or clinical cases on synthesized or acquired images. The quiz mode has multiple-choice questions and answers, accompanied by images. In the teaching mode, the instructor has access to the clinical data base and WRITE privileges for setting up the browse or quiz mode. The module achieves considerable flexibility when linked to the PACS, with access to all archived images and the ability to subsequently synthesize MR images at arbitrary TE and TR values in real time. The module is also "dynamic" in character, in that the instructor can easily add new cases and comments to the teaching files, both to enhance its clinical aspects and to reflect advances in technology.
本文介绍了一个与图片存档和通信系统（PACS）数据库相连的交互式教学模块，用于放射学教学。该模块目前专为磁共振成像（MR）图像量身定制，但也可适用于任何其他成像技术。已开发出一种算法，能够利用按照常规临床方案采集并存储在数据库中的MR图像，实时生成任意其他指定回波时间（TE）和重复时间（TR）的图像。在浏览模式下，用户可以研究不同扫描参数或临床病例对合成图像或采集图像的影响。测验模式包含多项选择题及答案，并配有图像。在教学模式中，教师可以访问临床数据库，并拥有设置浏览或测验模式的写入权限。当与PACS相连时，该模块具有相当大的灵活性，可访问所有存档图像，并能够随后实时合成任意TE和TR值的MR图像。该模块在性质上也是“动态的”，因为教师可以轻松地向教学文件中添加新病例和注释，既增强其临床内容，又能反映技术进步。
