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. 2009 Sep 4;23(6):658–665. doi: 10.1007/s10278-009-9228-2

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© Society for Imaging Informatics in Medicine 2009

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Fig 1 — Architecture of the RaceTrack case-tracking system. Users interact with the RaceTrack system using web browsers via HTTP. On PACS and dictation workstations, scripts extract working context and feed that information into web browsers for more convenient case creation. The RaceTrack application stack consists of a HTTP server, application server, and database server, which all run in a Linux virtual machine. The application communicates with an external authentication system via encrypted HTTP to provide a single enterprise-wide sign-on for users. The RaceTrack application also communicates with the radiology information system (RIS) via ODBC protocol to retrieve information about radiology examinations and the Queried Patient Inference Dossier (QPID) server via HTTP to retrieve other medical record information.