Software | Horos

Horos is a high-performance, open-source medical image viewer designed specifically for macOS, widely utilized by clinicians, researchers, and students for the visualization and analysis of DICOM images. What is Horos Software?

Advanced Tips and Hidden Gems

• Keyboard Shortcuts: Learn the basics. Command + 1 (2D Viewer), Command + 3 (3D Viewer), Arrow Keys (scrolling through slices).
• ROI Volume: To measure a tumor volume, draw a closed polygon on each slice where the tumor appears. Horos will calculate the total volume automatically.
• Exporting to PowerPoint: Use File > Export > TIFF (High Quality) to create publication-ready images.
• Anonymization: Go to Database > Export > De-identified DICOM to strip all patient PHI (Protected Health Information) for research sharing.

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3D Reconstruction: The software offers advanced visualization modes like Multiplanar Reconstruction (MPR), 3D volume rendering, and maximum intensity projection (MIP). horos software

• HOROS image viewer in Scopus or Web of Science.

2. Installation

1. Go to horosproject.org.
2. Download the latest .dmg file.
3. Drag Horos.app into the Applications folder.
4. If macOS blocks it (unidentified developer), go to System Settings → Privacy & Security and click Open Anyway.

Horos is widely used in both clinical and research settings: Horos Project: Home Page Keyboard Shortcuts: Learn the basics

Born as a continuous evolution of OsiriX (one of the most popular DICOM viewers), Horos was created to provide a fully compliant, open-source solution under the LGPL license. For radiologists, veterinarians, researchers, and even medical students, Horos software offers a powerful, NIH-funded alternative to expensive imaging suites. 👇 3D Reconstruction : The software offers advanced