[Development of the computerized scheme for reconstructing three dimensional ultrasonography from the conventional...

Area of Science:

• Medical Imaging
• Biomedical Engineering
• Radiology

Background:

• Accurate three-dimensional (3D) visualization of breast masses is crucial for diagnosis.
• Conventional two-dimensional (2D) ultrasound provides limited spatial information.
• Developing advanced imaging techniques can enhance diagnostic capabilities.

Purpose of the Study:

• To develop a computerized scheme for reconstructing 3D-ultrasonography (US) of breast masses.
• To utilize off-line B-mode 2D dynamic US images for 3D reconstruction.
• To assess the accuracy of the 3D reconstruction by comparing it with physician assessments.

Main Methods:

• A computerized scheme was developed using off-line 2D dynamic US images from conventional equipment.
• Two orthogonal 2D US images were acquired for each breast mass.
• The z-axis of the 3D reconstruction was estimated using the mass length from orthogonal images.
• Correlation analysis was performed between 3D-US calculated features (volume, effective diameter) and physician visual assessments.

Main Results:

• The developed 3D-US reconstruction scheme demonstrated a high correlation (R=0.925) between estimated mass volumes and those from diagnostic reports.
• The method showed good agreement between 3D-US derived features and physician visual assessments.
• Seventy-nine breast masses were analyzed, validating the scheme's reliability.

Conclusions:

• The computerized scheme effectively reconstructs the 3D form of breast masses.
• This technique offers a promising approach for improving the accuracy and visualization of breast mass characterization.
• The method reproduces 3D breast mass morphology with relatively small errors, aiding clinical diagnosis.