signal intensity


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signal intensity

The relative brilliance of a radiographic image, radioactive tracer, or biological marker.
See also: intensity
References in periodicals archive ?
The T1-W images and quantitative signal intensity of [Gd.sub.n.sup.3+]@CNTs-PEG, Gd-CNT and Gadovist[R] samples with different Gd concentrations were demonstrated in Figure 2 and Table 2.
The signal intensity ratios of tumors on both T2-weighted images were calculated to quantitatively evaluate the tumor intensities.
Mucoceles have high T2 signal intensity with variable T1 signal on MR imaging (3, 7, 8).
Further, the pre-exercise, normalized signal intensity of the MGM, LGM, and SM was defined as 1.0.
* Grade I--Increased signal intensity in tendon, more obvious on T1W image (T1WI) and proton images but not seen or less obvious on T2WI.
The dot-in-circle sign is described as a classic appearance on T2-weighted MRI, which shows small rounded hyperintensity due to the inflammatory granuloma surrounded by low signal intensity represented by fibrous matrix and central hypodense dot due to fungal elements.
On MRI, most NET's have low signal intensity on T1-weighted images and intermediate to high signal intensity on T2-weighted images.
Loss of signal intensity can also result from intra-voxel spin phase dispersion because of a wide range of flow velocity in the voxel, higher orders of motion, and heterogeneity of the magnetic field.
MRI Brain with contrast was done, which revealed right thalamic high signal intensity suggesting oedema on T2 fluid attenuated inversion recovery (FLAIR) image (Figure 1A) and patchy areas of diffusion restriction noted in the same region (Figure 1B).
1 shows the signal intensity of the reflected signal and the example of walk error.
ML signal intensity was one of the parameters that mostly characterized cluster 2 cells compared to cluster 1a and 1b cells.
Iso or low signal intensity of the lesion relative to skeletal muscle was seen on T1-weighted MRI.

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