Key result
Speckle tracking in muscle tissue produced the highest percentage of correctly tracked vectors and smallest tracking errors relative to liver, fat, and sponge samples.
Ultrasound speckle tracking performs best in muscle tissue compared to liver, fat, or sponge samples, likely due to its myofibrils and significant tissue microstructure.
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Muscle tissue may optimize speckle tracking benchmarks; leaves open validation for cardiac strain imaging.
The purpose of this study was to investigate the accuracy of ultrasound speckle tracking in various tissues. Results from two-dimensional tissue speckle tracking in liver, muscle, fat, and sponge samples are presented, while keeping other speckle tracking parameters constant. Speckle tracking performance was characterized both in terms of the magnitude of tracking errors and in terms of the percentage of correctly tracked displacement vectors. Speckle tracking in muscle tissue, which contains myofibrils and significant tissue microstructure, produced the highest percentage of correctly tracked vectors and smallest tracking errors relative to other tissues.
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Chen et al. (1995) studied this question. Two-dimensional tissue speckle tracking vs. Various tissues (liver, muscle, fat, sponge) was evaluated on Magnitude of tracking errors and percentage of correctly tracked displacement vectors. Speckle tracking in muscle tissue produced the highest percentage of correctly tracked vectors and smallest tracking errors relative to liver, fat, and sponge samples.
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