Ultrasonic elasticity imaging method and ultrasonic imaging apparatus
AssigneeShenzhen Mindray Bio-Medical Electronics Co., Ltd.
InventorShuangshuang LI
Life of this patent
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Abstract
Disclosed are an ultrasonic elasticity imaging method and an ultrasonic imaging apparatus. The ultrasonic imaging apparatus may determine a stress value according to a first reference value and a second reference value, determine a first quantitative elastic value for a target region according to the stress value and an elastic value measured by strain elastography corresponding to the target region, determine a second quantitative elastic value for a first region of interest according to an elastic value measured by shear wave elastography in the first region of interest and the first quantitative elastic value for the target region, and displaying the second quantitative elastic value.
Claims17
An ultrasonic elasticity imaging method, comprising:
- obtaining an elastic value measured by shear wave elastography in a first region of interest of a target tissue, and obtaining an elastic value measured by strain elastography in a second region of interest of the target tissue, a tissue region corresponding to the first region of interest and a tissue region corresponding to the second region of interest being at least partially overlapped;
- determining a first reference value according to an elastic value measured by shear wave elastography in a first reference region in the first region of interest, and determining a second reference value according to an elastic value measured by strain elastography in a second reference region in the second region of interest;
- determining a stress value according to the first reference value and the second reference value;
- obtaining a target region where the elastic value measured by shear wave elastography is desired to be improved in the first region of interest, the at least partially overlapped tissue region comprising a tissue region corresponding to the target region;
- obtaining an elastic value measured by strain elastography corresponding to the target region from the elastic value measured by strain elastography for the second region of interest, and determining a first quantitative elastic value for the target region according to the stress value and the elastic value measured by strain elastography corresponding to the target region;
- determining a second quantitative elastic value for the first region of interest according to the elastic value measured by shear wave elastography in the first region of interest and the first quantitative elastic value for the target region;
- and
- displaying the second quantitative elastic value for the first region of interest.
An ultrasonic imaging apparatus, comprising:
- an ultrasonic probe;
- a display;
- a transmitting circuit configured to excite the ultrasonic probe to transmit ultrasonic waves to a target tissue of an object under examination;
- a receiving circuit configured to control the ultrasonic probe to receive echoes of the ultrasonic waves from the target tissue to obtain ultrasonic echo signals;
- and
- a processor configured to process the ultrasonic echo signals to obtain an ultrasonic image of the target tissue, and
- obtain an elastic value measured by shear wave elastography in a first region of interest of a target tissue, and obtain an elastic value measured by strain elastography in a second region of interest of the target tissue, a tissue region corresponding to the first region of interest and a tissue region corresponding to the second region of interest being at least partially overlapped;
- determine a first reference value according to an elastic value measured by shear wave elastography in a first reference region in the first region of interest, and determine a second reference value according to an elastic value measured by strain elastography in a second reference region in the second region of interest;
- determine a stress value according to the first reference value and the second reference value;
- obtain a target region where the elastic value measured by shear wave elastography is desired to be improved in the first region of interest, the at least partially overlapped tissue region comprising a tissue region corresponding to the target region;
- obtain an elastic value measured by strain elastography corresponding to the target region from the elastic value measured by strain elastography for the second region of interest, and determine a first quantitative elastic value for the target region according to the stress value and the elastic value measured by strain elastography corresponding to the target region;
- determine a second quantitative elastic value for the first region of interest according to the elastic value measured by shear wave elastography for the first region of interest and the first quantitative elastic value for the target region;
- and
- control the display to display the second quantitative elastic value for the first region of interest.
Dependencies are inferred from the claim text.