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riskPointer
The content on this page is intended to healthcare professionals and equivalents.
Low Attenuation Area Measurement
Pulmonary emphysema, a type of chronic obstructive pulmonary disease, is an illness that involves damage to the alveoli walls caused primarily by smoking. By setting the appropriate threshold value, pulmonary emphysema can be visualized as LAA on CT images.
Visual Explanation
The riskPointer displays the low attenuation area corresponding to the destruction of the alveoli walls in the lung field in different colors. Details can be shown visually for easy understanding compared with conventional explanations with values.
Easy Color Display
With conventional software, manual settings such as ROI setting around the lung field needs to be done. With the riskPointer, the low attenuation area (LAA) is processed with a color based on the threshold value which is set by the user and the calculated results of %LAA are displayed in a short period of time.
Selectable Analysis Modes
There are two types of analysis modes. With Upper/Middle/Lower Lung Field mode, the selected three cross sections can be analyzed as in the general CT examination of pulmonary emphysema. The Entire Lung Field mode allows the analysis of whole lung images obtained during chest CT checkups.
User-friendly Report Functions
Patient’s past examination results can be retrieved and added to current examination report, and this allows user to see the change of %LAA at a glance. Analyzed images can be generated in color DICOM format, BMP format, and analysis value in the text format (CSV).
Analysis Results
The following values are calculated from CT images of the lung field.
- Process three sections near the upper end of the aortic arch, near the bifurcation of the trachea and about 1～3cm above the right diaphragm.
- Area of the LAA [cm²], Area of the lung field [cm²], %LAA [Entire Lung Field mode]
- Process all CT images made by scanning the whole lung field.
- Volume of LAA [cm³], Volume of the lung field [cm³], %LAA
- Area of the LAA [cm²], Area of the lung field [cm²]
Operating environment
- Applicable systems
- Whole-body X-ray CT system SCENARIA and Hyper Q-Net S
- Whole-body X-ray CT system Supria and Hyper Q-Net R
- Report printing
- Internet Explorer (IE)
- Refer to the product specification for the IE version.
- Unable to print on the CT console.
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