A seamlessly integrated, enterprise-wide radiology information system/picture archiving and communication system/teleradiology Intranet is developed. The design criteria include user-friendliness, flexibility to respond to changing needs, and open modular architecture to assure interoperability, cost-effectiveness, and future-proofing of investment. The open system architecture is used to incorporate industry-standard-compliant, commercial off the shelf products as modules. Microsoft Windows NT operating system, Visual C++ programming language, TCP/IP, relational SQL database, open database connectivity, health level seven, and digital imaging and communication interfaces are utilized.