The method of Quantitative Computed Tomography (QCT) has been established as a means of non-invasive quantitative bone mineral determination. The QCT PRO software system allows to map information obtained from executing protocols with commercially available CT scanners to an estimate of bone mineral content. The QCT PRO software system does not interfere directly with a medical device. Its function is to provide a means of entering, storing and obtaining information/data only. A competent health professional is reasonably expected to exercise judgement in the use of the information provided by the system. The QCT PRO software system provides a means of entering or receiving general patient information including age and gender, and information on the CT scanning parameters used in performing the CT scanning protocol. Hounsfield numbers from regions of interest (ROI) of the CT data are processed to provide an estimate of bone mineral density (BMD) for each region of interest (ROI) for which Hounsfield numbers were obtained.
An application software program intended to add specific image processing and/or analysis capabilities to an x-ray computed tomography (CT) imaging system; it is not dedicated to radiotherapy treatment planning. A basic set of applications programs and routines are included with such computer-controlled imaging systems and they can be upgraded to correct programming errors or to add new system capabilities. Some applications software routines or groups of routines must be combined with specific hardware or firmware accessories or configurations in order to function as intended. Applications program packages are typically identified by a proprietary name and version or upgrade number.
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