Feasibility of Backscattering Coefficient Evaluation of Soft Tissue Using High-Frequency Annular Array Probe

Area of Science:

• Medical Imaging
• Biomedical Engineering
• Acoustics

Background:

• Accurate abdominal tissue characterization is crucial for ultrasound diagnosis.
• Current systems may lack versatility and simplicity for effective characterization.
• The backscattering coefficient (BSC) is a key parameter for tissue analysis.

Purpose of the Study:

• To develop a simpler and more versatile system for abdominal ultrasound tissue characterization.
• To evaluate the effectiveness of different ultrasonic probes for backscattering coefficient (BSC) measurements.
• To assess the potential of an annular array probe for high-frequency and high-resolution ultrasound imaging.

Main Methods:

• Evaluated the backscattering coefficient (BSC) using tissue-mimicking phantoms.
• Utilized three ultrasonic probes: single-element transducer, linear array probe, and annular array probe.
• Compared BSC measurements across different probes for accuracy and resolution.

Main Results:

• The annular array probe provided accurate backscattering coefficient (BSC) measurements.
• The annular array probe demonstrated capability for high-frequency and high-resolution ultrasound imaging.
• The developed system offers a simpler and more versatile approach to tissue characterization.

Conclusions:

• The annular array probe meets clinical demands for accurate BSC measurements in abdominal ultrasound.
• The simpler system with the annular array probe is suitable for high-frequency, high-resolution imaging.
• This approach enhances versatility and effectiveness in ultrasound-based tissue characterization.