Abstract: According to one embodiment, an X-ray computed tomography apparatus includes data acquisition circuitry and processing circuitry. The data acquisition circuitry is configured to acquire projection data of a first area and projection data of a second area, the first area being an area where the projection data is complete for one rotation, the second area being an area where the projection data is obtained for an angle smaller than the one rotation. The processing circuitry is configured to perform, for at least part of the first area, reconstruction processing using the projection data corresponding to a partial angle among the projection data and to perform, for the second area, reconstruction processing using the projection data of a smaller acquisition range that is smaller than one rotation.

Abstract: An X-ray computed tomography (CT) apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to generate image data based on a detection result obtained by detecting X-rays transmitted through a subject with a detector. The processing circuitry is configured to specify a boundary between a first region and a second region in the image data, based on anatomical landmarks in the image data, and adjust setting of scan conditions relating to a tube current value in accordance with information relating to a position of the boundary.

Abstract: According to one embodiment, an X-ray CT apparatus includes processing circuitry. The processing circuitry acquires examination information including a plurality of imaging conditions corresponding to an examination performed on an object, estimates an examination code corresponding to the examination based on the examination information, and associates the examination code with the examination information.

Abstract: An X-ray CT apparatus comprises a gantry including an X-ray generator in a rotor, and processing circuitry configured to control rotation of the rotor during a first scan such that a value related to first rotational speed serving as rotational speed of the rotor at a time when the first scan is finished is brought close to a setting value related to second rotational speed serving as rotational speed of the rotor in a second scan, with respect to the first scan and the second scan performed after the first scan is performed.

Abstract: In an X-ray CT apparatus of an embodiment, an X-ray tube emits X-rays. A detector detects the X-rays emitted from the X-ray tube and having passed through a subject. Processing circuitry collects projection data based on data detected by the detector. The Processing circuitry generates a reconstructed image from the projection data. A display displays a display image based on the reconstructed image. A input circuitry receives an operation to rotate a first display image based on a first reconstructed image generated by the processing circuitry on a screen of the display, and specify a certain region on a second display image whose axis is in a direction different from a slice direction. The processing circuitry generates a second reconstructed image from the projection data, having higher resolution than that of the first display image, for the certain region.

Abstract: A medical-image processing apparatus according to an embodiment includes a reconstructing circuitry and a display control circuitry. The reconstructing circuitry performs a volume rendering operation on volume data while moving the viewpoint position by a predetermined parallactic angle, and generates a parallax image group that includes a plurality of parallax images with different viewpoint positions. The display control circuitry causes a stereoscopic display monitor to display the parallax image group as a stereoscopic image. With regard to the volume data that is acquired by each of the multiple types of medical-image diagnostic apparatus, the reconstructing circuitry adjusts each parallactic angle during generation of the parallax image group and, in accordance with each of the adjusted parallactic angles, generates each parallax image group on the basis of the volume data that is acquired by each of the multiple types of medical-image diagnostic apparatus.

Abstract: An X-ray CT apparatus according to the embodiment executes an imaging according to an imaging protocol including one or more image elements corresponding to an imaging type. The X-ray CT apparatus includes an X-ray source, an X-ray detector and processing circuitry. The X-ray source radiates an X-ray. The X-ray detector detects the X-ray. The processing circuitry merges, when first and second imaging protocols are set, first and second imaging elements, respectively included in the first and second imaging protocols, corresponding to same imaging type into a single third imaging element, thereby generating a third imaging protocol including the third imaging element.

Abstract: A medical image diagnosis apparatus according to an embodiment includes setting circuitry and image generating circuitry. The setting circuitry is configured to obtain position information with respect to a landmark of a patient in a first image generated by performing a first scan on the patient and to set a scan range to be used during a second scan by using the obtained position information, the position information being determined on a basis of the first image and expressed in an image taking system used during the first scan. The image generating circuitry is configured to generate a second image by performing the second scan on the scan range.

Abstract: In an X-ray CT apparatus of an embodiment, an X-ray tube emits X-rays. A detector detects the X-rays emitted from the X-ray tube and having passed through a subject. Processing circuitry collects projection data based on data detected by the detector. The Processing circuitry generates a reconstructed image from the projection data. A display displays a display image based on the reconstructed image. A input circuitry receives an operation to rotate a first display image based on a first reconstructed image generated by the processing circuitry on a screen of the display, and specify a certain region on a second display image whose axis is in a direction different from a slice direction. The processing circuitry generates a second reconstructed image from the projection data, having higher resolution than that of the first display image, for the certain region.

Abstract: An X-ray CT apparatus according to an embodiment includes setting circuitry. The setting circuitry is configured to set a third plan for a patient, by integrating together a first plan for the patient and a second plan for the patient.

Abstract: According to one embodiment, a medical image display apparatus includes a thin-out processing unit configured to execute thin-out processing for a series of original medical images, a display unit configured to display the series of medical images generated by the thin-out processing as a moving image and a control unit. The control unit controls the thin-out processing unit to change thin-out ratios on a time axis in the thin-out processing.

Abstract: A medical image diagnostic apparatus according to an embodiment includes memory circuitry and processing circuitry. The memory circuitry stores therein a plurality of anatomical landmarks in a subject in association with a plurality of groups. The processing circuitry generates three-dimensional image data of the subject. The processing circuitry selects at least one group among the groups based on set examination information and a type of scan to be performed, and detects a site of the subject corresponding to at least one group, based on anatomical landmarks corresponding to a selected group. The processing circuitry controls to output information indicating a detected site.

Abstract: A medical image diagnosis apparatus according to an embodiment includes obtaining circuitry, detecting circuitry, deriving circuitry, and controlling circuitry. The obtaining circuitry is configured to obtain image data of a patient. The detecting circuitry is configured to detect each of a plurality of sites of the patient from the image data. The deriving circuitry is configured to derive information about a structuring member in the patient, on the basis of a detection result obtained by the detecting circuitry. The controlling circuitry is configured to determine an injection condition for a contrast agent to be administered to the patient for a contrast-enhanced scan, on the basis of the information about the structuring member.

Abstract: In an X-ray CT device according to an embodiment, reconstruction circuitry reconstructs a positioning image from projection data collected based on a detection signal of transmitted X-rays in positioning imaging performed at a first tube current. Circuitry detects body parts of a subject included in the positioning image. Storage stores information pieces relating to body parts, image quality levels for each of the information pieces relating to the body parts, and an X-ray count value corresponding to each of the image quality levels in an associated manner. The circuitry selects an image quality level corresponding to a desired body part. The circuitry acquires a second tube current based on the first tube current, an X-ray count value in the positioning imaging, and an X-ray count value associated with the selected image quality level. The circuitry controls an X-ray tube to perform main imaging based on the second tube current.

Abstract: A medical image capturing apparatus according to an embodiment includes image generation circuitry, detection circuitry, diagnosis support processing circuitry, setting circuitry, and imaging control circuitry. The image generation circuitry generates image data of a subject. The detection circuitry detects each of a plurality of parts of the subject in the image data generated as a positioning image. The diagnosis support processing circuitry executes diagnosis support processing corresponding to a predetermined part with regard to a region corresponding to the predetermined part of the subject detected. The setting circuitry sets an imaging condition of main imaging with respect to a part in which a lesion site is specified as a processing result of the diagnosis support processing. The imaging control circuitry controls an imaging mechanism to perform imaging with regard to an imaging region including the part in which the lesion site is specified based on the imaging condition.

Abstract: An X-ray computer tomography (CT) apparatus according to an embodiment includes processing circuitry. The processing circuitry an operation to change information relating to a range of a part that is defined based on a plurality of anatomical landmarks in any one of image data of a subject and image data of a virtual patient image. The processing circuitry performs any one of a first setting processing and a second setting processing, the first setting processing of changing a part of the anatomical landmarks to define the range of the part, the second setting processing of setting, for a part of the anatomical landmarks, a position departed therefrom by a predetermined length in a predetermine direction as an actual anatomical landmark.

Abstract: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect X-rays that have passed through a subject by using a detector and to acquire projection data on a basis of a detection result. The processing circuitry is configured to obtain position information of a highly X-ray absorbent member in the body of the subject. The processing circuitry is configured to derive information about transmission paths of the X-rays in accordance with a processing effect of an artifact reducing process performed on the highly X-ray absorbent member, on the basis of the position information of the highly X-ray absorbent member.

Abstract: Provided is a medical image diagnostic apparatus, including: a collection unit for collecting data by performing irradiation of X-rays to a body part of a subject who is moving a joint; a processing unit for processing the collected data to form a plurality of internal images indicating the body part of the subject; an input unit for inputting occurrence information indicating a biological reaction that accompanies movement of the joint; a display control unit for displaying information on a display unit; and a control unit for controlling at least one of the collection unit, the processing unit, and the display control unit based on the input occurrence information.

Abstract: In an X-ray computer tomographic apparatus according to an embodiment, an image processing unit generates a projection image and a sectional image based on projection data generated from output of an X-ray detector. When at least one end of a scan range of second scan is set on part of a projection image generated based on projection data acquired through first scan by the image processing unit, a scan plan processing unit displays a sectional image corresponding to at least one end of the scan range among sectional images generated based on projection data acquired through the first scan by the image processing unit.

Abstract: An X-ray CT apparatus according to an embodiment includes an image processing circuit. The image processing circuit generates image data of an inside of a patient. The image processing circuit specifies a position of a tumor and a position of a surrounding site positioned in a surrounding of the tumor, from the generated pieces of image data. The image processing circuit calculates movement information related to movements of the tumor and the surrounding site, based on the specified positions of the tumor and the surrounding site. The image processing circuit calculates a relative relationship between the calculated movement information of the tumor and the surrounding site. The imaging processing circuit calculates a degree of coupling by which the tumor and the surrounding site are coupled, based on a relative relationship between the movement information of the tumor and the surrounding site.