Abstract: An information processing device including at least one processor, wherein the processor is configured to: acquire positional information indicating a position of a compression member, which is configured to be movable in a plane direction of a contact surface with a breast, in the plane direction in a mammography apparatus that irradiates the breast compressed by the compression member with radiation to capture a radiographic image; and perform control to direct an image projection unit, which projects a projection image onto a projection surface of the compression member, to project the projection image onto the projection surface of the compression member whose position has been specified on the basis of the positional information.

Abstract: A control device including: at least one processor, wherein the processor is configured control an image projection unit which projects a projection image onto a projection surface of a compression member and an irradiation field projection unit which projects a range of an irradiation field of radiation using visible light in a mammography apparatus which irradiates a breast compressed by the compression member with the radiation to capture a radiographic image such that projection of the projection image and projection of the range of the irradiation field are switched.

Abstract: A control device including: at least one processor that is configured to detect whether or not compression of a breast by a compression member in a mammography apparatus is completed and perform control to direct an image projection unit, which projects a projection image onto a projection surface of the compression member, to stop the projection of the projection image onto the projection surface in a case in which it is detected that the compression is completed.

Abstract: A compression member which compresses a breast placed between a radiation source and a radiation detector, wherein at least a partial region of at least one surface of the compression member that does not come into contact with the breast is roughened. A support member and a mammography apparatus are also provided.

Abstract: An imaging member including: a pressing member that presses a breast of a subject; and an ultrasonography member that has a first surface on which an acoustic matching member having fluidity is provided, and is provided such that a second surface on a side opposite to the first surface is provided on a surface of the pressing member, which is on a side opposite to a surface that comes into contact with the breast, via a coupling material having lower fluidity than the acoustic matching member.

Abstract: An information processing device including at least one processor, wherein the processor is configured to: acquire a radiographic image captured by irradiating a breast compressed by a compression member with radiation; generate a projection image, which includes guide information serving as a guide in a case in which the breast is compressed and is capable of identifying whether the guide information is related to a right breast or a left breast, on the basis of a shape of the breast in the compressed state indicated by the radiographic image; and control an image projection unit which projects the projection image onto a first projection surface of the compression member such that the projection image is projected onto the first projection surface.

Abstract: A control device including: a control unit that, in a case in which continuous imaging that irradiates a breast of a subject with radiation emitted from a radiation source to capture a radiographic image in a compressed state in which the breast is compressed against an imaging table by a compression member and then captures an ultrasound image of the breast in the compressed state is performed, performs control to locate the radiation source at a non-facing position where the radiation source and the imaging table do not face each other.

Abstract: A control device including: a breast thickness acquisition unit that acquires a thickness of a breast in a pressed state by a pressing member; a depth information acquisition unit that, in a case where an ultrasound image of the breast in the pressed state is captured, acquires depth information indicating a depth to which imaging by an ultrasonography apparatus which captures the ultrasound image is possible; a deriving unit that derives imaging information indicating whether or not capture of an ultrasound image having predetermined accuracy or higher is possible by the ultrasonography apparatus on the basis of the thickness of the breast acquired by the breast thickness acquisition unit and the depth information acquired by the depth information acquisition unit; and an output unit that outputs the imaging information derived by the deriving unit.

Abstract: A compression plate of a mammography apparatus has an upper surface which is irradiated with radiation, a lower surface which is opposite to the upper surface and comes into contact with the breast, and a surface which is parallel to the upper surface between the upper surface and the lower surface. In the compression plate, a compression plate scale for identifying an in-plane position of each surface is given to any one of the surfaces. A first display control unit of a console performs control to display a radiographic image captured by the mammography apparatus on a display unit. A second display control unit of the console performs control to display an image scale which indicates a position on the radiographic image corresponding to the in-plane position of the compression plate on the radiographic image displayed on the display unit.

Abstract: An imaging member including: a pressing member that presses a breast of a subject; and an ultrasonography member that has a first surface on which an acoustic matching member having fluidity is provided, and is provided such that a second surface on a side opposite to the first surface is provided on a surface of the pressing member, which is on a side opposite to a surface that comes into contact with the breast, via a coupling material having lower fluidity than the acoustic matching member.

Abstract: The mammography apparatus includes an imaging stand that includes a recess that cuts out at least a part of a contact face that comes in contact with a chest wall of a subject, in which the recess has a shape in which between a first ridge portion where the contact face and an upper face are connected to each other, and a second ridge portion where the contact face and a lower face are connected to each other, at least a part of the second ridge portion is cut out, and the first ridge portion is not cut out.

Abstract: Fifteen radiation tubes are arranged in a radiation source of the mammography apparatus. An irradiation field limiter includes a plate-like member having a plurality of through holes that function as irradiation openings. Adjacent through holes are arranged at an interval of one radiation tube. In the plate-like member, the position of the through holes which are irradiation openings are moved to a first set position in a case in which radiation is emitted from first radiation tubes which are some of three or more radiation tubes and a second set position in a case in which the radiation is emitted from second radiation tubes different from the first radiation tubes among the three or more radiation tubes. Therefore, one through hole is shared by two radiation tubes.

Abstract: An information processing device including at least one processor, wherein the processor is configured to control an image projection unit which projects a projection image onto a first projection surface of a compression member disposed between a radiation source and a radiation detector in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image such that at least one of first information or second information is switchably projected onto the first projection surface.

Abstract: An information processing device including at least one processor, wherein the processor is configured to: acquire projection surface size information indicating a size of a projection surface of a compression member in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; generate a projection image having a size corresponding to the projection surface size information; and perform control to direct an image projection unit, which projects the projection image onto the projection surface of the compression member, to project the projection image onto the projection surface.

Abstract: A control device including: at least one processor, wherein the processor is configured control an image projection unit which projects a projection image onto a projection surface of a compression member and an irradiation field projection unit which projects a range of an irradiation field of radiation using visible light in a mammography apparatus which irradiates a breast compressed by the compression member with the radiation to capture a radiographic image such that projection of the projection image and projection of the range of the irradiation field are switched.

Abstract: A control device including: at least one processor that is configured to detect whether or not compression of a breast by a compression member in a mammography apparatus is completed and perform control to direct an image projection unit, which projects a projection image onto a projection surface of the compression member, to stop the projection of the projection image onto the projection surface in a case in which it is detected that the compression is completed.

Abstract: An information processing device including at least one processor, wherein the processor is configured to: acquire a radiographic image captured by irradiating a breast compressed by a compression member with radiation; generate a projection image, which includes guide information serving as a guide in a case in which the breast is compressed and is capable of identifying whether the guide information is related to a right breast or a left breast, on the basis of a shape of the breast in the compressed state indicated by the radiographic image; and control an image projection unit which projects the projection image onto a first projection surface of the compression member such that the projection image is projected onto the first projection surface.

Abstract: A control device including: at least one processor, wherein the processor is configured to detect whether or not a compression member which compresses a breast is attached to a main body of a mammography apparatus and control an image projection unit which projects a projection image onto a projection surface of the compression member such that the projection image is projected onto the projection surface in a case in which it is detected that the compression member is attached.

Abstract: A compression member which compresses a breast placed between a radiation source and a radiation detector, wherein at least a partial region of at least one surface of the compression member that does not come into contact with the breast is roughened. A support member and a mammography apparatus are also provided.

Abstract: An information processing device including at least one processor, wherein the processor is configured to: acquire distance information indicating a projection distance, which is a distance from an image projection unit that projects a projection image onto a projection surface of a compression member to the projection surface, in a mammography apparatus that irradiates a breast compressed by the compression member with radiation to capture a radiographic image; and control the image projection unit such that the projection image having a size corresponding to the projection distance indicated by the distance information is projected onto the projection surface in a case in which the image projection unit projects the projection image at a magnification corresponding to the projection distance.