US-20260123908-A1 - ULTRASOUND DIAGNOSTIC APPARATUS

US20260123908A1US 20260123908 A1US20260123908 A1US 20260123908A1US-20260123908-A1

Abstract

An ultrasound diagnostic apparatus includes an ultrasound transmission and reception unit that transmits and receives ultrasound waves to and from a subject and that generates a reception signal, an ultrasound information generation unit that generates a plurality of types of ultrasound information based on the reception signal, a detection and measurement unit that detects and measures a lesion based on the plurality of types of ultrasound information, and a lesion/risk information analysis unit that analyzes a state of the lesion based on a measurement result obtained by the detection and measurement unit. The detection and measurement unit includes at least one of a set of a mass lesion detection unit and a mass lesion measurement unit, or a set of a calcified lesion detection unit and a calcified lesion measurement unit.

Inventors

Katsunori Asafusa
Tomofumi Nishiura
Eiji Kasahara
Tomoaki Chono

Assignees

FUJIFILM CORPORATION

Dates

Publication Date: 20260507
Application Date: 20251210
Priority Date: 20230217

Claims (9)

1 . An ultrasound diagnostic apparatus comprising: an ultrasound information generation unit that generates a plurality of types of ultrasound information based on transmission and reception of ultrasound waves with respect to a subject; a detection and measurement unit that detects and measures a lesion based on the plurality of types of ultrasound information; and an analysis unit that analyzes a state of the lesion based on a measurement result obtained by the detection and measurement unit, wherein the detection and measurement unit detects and measures at least one of a precancerous lesion or a breast cancer as the lesion, and the analysis unit analyzes a state of at least one of the precancerous lesion or the breast cancer as the lesion.
2 . The ultrasound diagnostic apparatus according to claim 1 , wherein the detection and measurement unit includes at least one of a mass lesion detection and measurement unit that detects and measures a mass lesion, or a calcified lesion detection and measurement unit that detects and measures a calcified lesion.
3 . The ultrasound diagnostic apparatus according to claim 1 , wherein the ultrasound information includes a plurality of types of ultrasound image data generated in different modes, and the analysis unit analyzes the state of the lesion by applying the plurality of types of ultrasound image data to a learning model constructed in advance.
4 . The ultrasound diagnostic apparatus according to claim 1 , wherein the analysis unit analyzes the state of the lesion based on at least one of a LUT calculation unit that analyzes the state of the lesion based on a look-up table acquired in advance, or a machine learning analysis unit that analyzes the state of the lesion based on a learning model constructed in advance.
5 . The ultrasound diagnostic apparatus according to claim 1 , wherein the analysis unit performs progression degree prediction of the lesion.
6 . The ultrasound diagnostic apparatus according to claim 5 , further comprising: a display controller, wherein the display controller displays the progression degree prediction of the lesion on a display unit, or displays the progression degree prediction of the lesion and a cause leading to the prediction on the display unit.
7 . The ultrasound diagnostic apparatus according to claim 1 , wherein the analysis unit performs determination on a treatment effect and further performs prediction on a treatment progress.
8 . The ultrasound diagnostic apparatus according to claim 7 , further comprising: a display controller, wherein the display controller displays information obtained by performing determination on the treatment effect and further performing prediction on the treatment progress on a display unit, or displays, on the display unit, the information obtained by performing determination on the treatment effect and performing prediction on the treatment progress, and a cause leading to the determination of the treatment effect and to the prediction of the treatment progress.
9 . The ultrasound diagnostic apparatus according to claim 1 , wherein the ultrasound information includes data indicating at least one of a B-mode image, a tissue harmonic image, a tissue elastography image, a share wave elastography image, an attenuation image, or a color flow image.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS The present application is a Rule 1.53(b) Continuation of application Ser. No. 18/437,907 filed Feb. 9, 2024, claiming priority from Japanese Patent Application No. 2023-023533 filed with the Japanese Patent Office on Feb. 17, 2023, the content of each of which is hereby incorporated by reference into this application. BACKGROUND OF THE INVENTION 1. Field of the Invention The present disclosure relates to an ultrasound diagnostic apparatus, and particularly, to an apparatus that analyzes a state of a lesion. 2. Description of the Related Art The presence or absence of cancer or tumors suspected to be cancerous, and the like have been diagnosed using an ultrasound diagnostic apparatus. In the diagnosis, a comprehensive diagnosis result based on a diagnostic guideline and experience is derived based on a plurality of types of information obtained from the ultrasound diagnostic apparatus (hereinafter, referred to as ultrasound information). Diagnosis includes the detection of precancerous lesions and non-invasive cancers, and the prediction of their progression to invasive cancer. The diagnostic guideline is established by each country or region and indicates evaluation items, determination criteria, and classifications with respect to the lesion. JP2003-575A describes an image diagnosis support system that processes a plurality of pieces of data of a site to be examined of a subject imaged by different imaging apparatuses and that generates determination data for benignity or malignancy of the site to be examined. JP2020-192068A describes an image diagnosis support apparatus that discriminates diseases based on a plurality of types of measured values at a plurality of positions within a living body. SUMMARY OF THE INVENTION In the conventional diagnosis using an ultrasound diagnostic apparatus, it is necessary to detect pathological changes in biological tissues, anatomical characteristic changes, and the like (hereinafter, referred to as a lesion) from within a vast amount of medical information, and an effort required to obtain a diagnosis result is substantial. In addition, there are cases where making an objective judgment about similar feature changes may be difficult. An object of the present disclosure is to reduce an effort required to obtain a diagnosis result for a lesion, and to enhance objectivity of the diagnosis result, to provide diagnostic support. According to the present disclosure, there is provided an ultrasound diagnostic apparatus comprising: an ultrasound information generation unit that generates a plurality of types of ultrasound information based on transmission and reception of ultrasound waves with respect to a subject; a detection and measurement unit that detects and measures a lesion based on the plurality of types of ultrasound information; and an analysis unit that analyzes a state of the lesion based on a measurement result obtained by the detection and measurement unit, in which the detection and measurement unit detects and measures at least one of a precancerous lesion or a breast cancer as the lesion, and the analysis unit analyzes a state of at least one of the precancerous lesion or the breast cancer as the lesion. In one embodiment, the detection and measurement unit includes at least one of a mass lesion detection and measurement unit that detects and measures a mass lesion, or a calcified lesion detection and measurement unit that detects and measures a calcified lesion. In one embodiment, the ultrasound information includes a plurality of types of ultrasound image data generated in different modes, and the analysis unit analyzes the state of the lesion by applying the plurality of types of ultrasound image data to a learning model constructed in advance. In one embodiment, the analysis unit analyzes the state of the lesion based on at least one of a LUT calculation unit that analyzes the state of the lesion based on a look-up table acquired in advance, or a machine learning analysis unit that analyzes the state of the lesion based on a learning model constructed in advance. In one embodiment, the analysis unit performs progression degree prediction of the lesion. In one embodiment, a display controller is further provided, and the display controller displays the progression degree prediction of the lesion on a display unit, or displays the progression degree prediction of the lesion and a cause leading to the prediction on the display unit. In one embodiment, the analysis unit performs determination on a treatment effect and further performs prediction on a treatment progress. In one embodiment, a display controller is further provided, and the display controller displays information obtained by performing determination on the treatment effect and further performing prediction on the treatment progress on a display unit, or displays, on the display unit, the information obtained by performing determination on the treatment eff