摘要
目的本文通过PACS系统中监控程序的应用,提出和讨论了PACS运行中必须引起重视、不容忽视的数据安全问题。方法本院PACS网络主要硬件设备由控制服务器(SUN公司的Fire V480))和容量为800GB的SCSI磁盘阵列组成。PACS服务器采用星型拓扑结构与各设备连接,图像浏览终端通过交换机采用总线结构与PACS服务器连接。RIS系统则由专用的web服务器与各报告书写终端连接,其数据库部分由PACS服务器直接管理。数据安全监控方法是利用图像流向和调阅监控软件——PAC-SMON,对图像的流向和调阅进行监控。文本文件(主要为诊断报告)的使用安全主要通过监控RIS的数据流程来完成。结果通过10个月PACS系统的运行,该监控软件基本能正确反映图像的流向和调阅、使用等情况,以及实时监控所有终端的运行情况,特别是图像的调阅和使用,监控程序能够准确地监测使用端的定位及其调阅图像的数量和次数等,有效地控制了系统被非法侵入和图像被窃取等情况的发生。结论 PACS运行管理中必须解决以下一些问题:1.系统运行的安全;2.网上系统信息的安全;3.网上信息内容的安全:4.
Objective This article, by implementation and evaluation of a monitoring programme in PACS system, brings forward and discusses the issues of database security, which have to pay much attention to when integrating a PACS. Methods Our PACS system has been mostly integrated by a controller server (Fire V480, SUN Corp.) and a SCSI RAID (redundant array of inexpensi\e disks. RAID) of 800GB. The different imaging modalities have been connected to the PACS server by using a star topology. Image display workstations have been connected to the PACS server by a bus topology through switch equipments. A special web server has been linked to display workstations (personal computers) as our RIS system, whose database is directly controlled by the PACS server. Security monitoring for database utilizes images workflow and runs monitoring programme-'PACSMON', which can monitor the workflow and the use of images. Security monitoring for text files (diagnostic reports) has been performanced by monitoring the database flow of RIS system. Results After 10 months running of our PACS system, the PACSMON has perfectly showed acts of querying and retrieving of images on the whole. and monitored working status of any display workstations on real time. Especially for the acts of querying and retrieving, the PACSMON can accurately show the location of display workstations and the quantity. frequency of querying and retrieving, and has effectively controlled the system to be attacked and the images to be stolen. Conclusions The operating management of PACS must resolve some following problems:1.the security of system running; 2. the security of system database; 3.the security of images and files content; 4.the lose of database transmitted.
出处
《上海医学影像》
2003年第2期88-91,101,共5页
Shanghai Medical Imaging
