![]() ![]() ![]() The virtual bronchoscopy procedure using Horos is almost same as that using OsiriX. We could export the virtual bronchoscopic data as a video using the “fly-thru” function. We could move freely within the 3D virtual bronchial tree using the mouse buttons. The chest CT images were automatically converted to a bronchoscopic view using the “3D endoscope” function in Horos. DICOM data from patients' chest CTs derived using lung window without contrast were copied to a computer. Horos version 4.0 was installed on a Mac Mini 2018 with OS 10.15 Catalina software (Apple, Cupertino, CA). We applied Horos to virtual bronchoscopy. ![]() Recently, Horos has been used to analyze both 2D and 3D CT images. Like OsiriX, Horos can be used to perform three-dimensional (3D) reconstruction of computed tomography (CT) images. Horos™ (Horos Project, Geneva, Switzerland) is a free DICOM viewer for Mac OS X based on OsiriX 5.8, the latest open-source version of OsiriX. OsiriX Lite, the complete demo version, is still free, but it has various functional limitations. Although the 32-bit version of OsiriX was free, OsiriX recently ceased to be an open-source software. Previous studies have reported the use of virtual bronchoscopy involving OsiriX™ (Pixmeo, Geneva, Switzerland), an open-source DICOM viewer for Mac OS, and its application for transbronchial biopsy and surgery. ![]()
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