Optimizing B-Mode
LOGIQ 7 Online Help 5-35
Direction 2392536-100 Rev. 1
Time Intensity Curve (TIC) Analysis
The basic TIC process works as follows:
1. Scan the patient after injecting the contrast agent.
2. Watch the agent flow through the anatomy of interest.
3. When the desired contrast effect has been visualized,
freeze the image and select a range of images for analysis.
4. Position an ROI (region of interest) on one of those images
where the contrast effect is visible.
5. The system then calculates the mean pixel intensity within
that ROI for all frames in the user designated loop and plots
the resulting data as a function of time.
You can also choose to fit this data to one of several
mathematical functions. The fundamental idea is that the
contrast effect flowing through the organ of interest can be
modeled mathematically, and details of the wash in and washout
of the agent can be gleaned by analyzing the numerical
parameters of the mathematical model.
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