About Orthanc

Orthanc is a free and open-source, lightweight DICOM server for medical imaging. It is positioned as a vendor-neutral archive component that helps hospitals, researchers, and developers store, exchange, browse, and automate imaging workflows. The official site highlights its web interface, DICOM transfer capabilities, REST API, and SDK-oriented extensibility. 

Purpose and Functionality

The main purpose of Orthanc is to simplify the deployment and integration of medical imaging infrastructure. In practice, it serves as a compact PACS/VNA-style backend for handling DICOM studies, routing images, exposing them through a web interface, and enabling custom integrations through APIs and plugins. The Orthanc paper describes it as a core server for automating and optimizing imaging flows in hospitals, while also supporting research and software development around medical imaging.

Key Features

Orthanc’s most notable features include a built-in web interface, the ability to upload/receive/transfer DICOM images, a REST API for workflow automation, and an SDK/plugin model for extending functionality. The broader ecosystem also includes plugins for databases, DICOMweb, digital pathology, and web viewing, which makes Orthanc useful both as a standalone imaging server and as a foundation for larger imaging platforms.

Applications

Orthanc is commonly used for hospital imaging workflows, DICOM routing, web-based image sharing, anonymized image dissemination, research prototypes, and custom medical imaging portals. Likely beneficiaries include PACS administrators, hospital IT teams, radiology and pathology departments, medical imaging researchers, and software developers building imaging-enabled systems. The published review also notes use cases in education, scientific research, industrial R&D, and telemedicine-related scenarios. 

Authors

Sébastien Jodogne (Main Author)

WEBSITE

Reference Publication