Horos: Software

Version: 4.0+ (Open Source)

The answer depends on your role.

Ultimately, Horos software embodies what open-source can achieve in medicine: democratizing access to advanced image analysis. For the macOS user who works with medical images, it is an indispensable tool that deserves a spot in every medical imaging professional’s toolkit. horos software

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| Icon | Function | |------|-----------| | Crosshair | View cross‑reference lines on other series (e.g., MRI/CT fusion) | | ROI tools | Circle, rectangle, freehand – for measurements | | Angle | Measure angles | | Length | Linear distance | | Text | Annotate images | | ROI Statistics | Mean/SD/min/max within a region | | MPR | Multi‑planar reconstruction (sagittal/coronal from axial) | | 3D | Volume rendering (requires decent GPU) | Version: 4

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One of the most popular features is the built-in anonymizer. Researchers can strip all protected health information (PHI) from DICOM headers for teaching or publication, with customizable scripts. | Icon | Function | |------|-----------| | Crosshair

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No tool is perfect. Before downloading, consider these drawbacks:

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