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Informatics in Radiology (infoRAD)

Mobile Wireless DICOM Server System and PDA with High-Resolution Display: Feasibility of Group Work for Radiologists¹

¹ From the Department of Radiology, Jikei University Daisan Hospital, 4-11-1 Izumi-honcho, Komae City, Tokyo 201-8601, Japan (N.N.); the Department of Radiology, National Institute of Radiological Sciences, Chiba, Japan (S.K.); the Institute for High Dimensional Medical Imaging, Research Center for Medical Science, Jikei University School of Medicine, Tokyo, Japan (N.S.); and the Department of Radiology, Jikei University Hospital, Tokyo, Japan (K.F.). Recipient of a Certificate of Merit award for an infoRAD exhibit at the 2003 RSNA Scientific Assembly. Received March 30, 2004; revision requested May 13 and received June 15; accepted June 17. All authors have no financial relationships to disclose. Address correspondence to N.N. (e-mail: nakata@jikei.ac.jp).

A novel mobile system has been developed for use by radiologists in managing Digital Imaging and Communications in Medicine (DICOM) image data. The system consists of a mobile DICOM server (MDS) and personal digital assistants (PDAs), including a Linux PDA with a video graphics array (VGA) display (307,200 pixels, 3.7 inches). The MDS weighs 410 g, has a 60-GB hard disk drive and a built-in wireless local area network (LAN) access point, and supports a DICOM server (Central Test Node). The Linux-based MDS can be accessed with personal computers (PCs) and PDAs by means of a wireless or wired LAN, and client-server communications can be established at any time. DICOM images can be displayed by using any PDA or PC by means of a Web browser. Simultaneous access to the MDS is possible for multiple authenticated users. With most PDAs, image compression is necessary for complete display of DICOM images; however, the VGA screen can display a 512 x 512-pixel DICOM image almost in its entirety. This wireless system allows efficient management of heavy loads of lossless DICOM image data and will be useful for collaborative work by radiologists in education, conferences, and research.

© RSNA, 2005

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