Abstract: A medical image processing device includes processing circuitry. The processing circuitry sets a first energy bin at a k-absorption edge of a specific substance and sets a second energy bin and a third energy bin on both sides of the first energy bin. The processing circuitry generates a first medical image and a second medical image in which the specific substance is more emphasized using data of the energy bins. The processing circuitry outputs the medical images via an output interface. The processing circuitry sets a weighting for the data in the first energy bin when the second medical image is generated to be less than a weighting for the data in the second energy bin when the second medical image is generated and to be less than a weighting for the data in the first energy bin when the first medical image is generated.

Abstract: A medical image diagnosis system includes an imaging apparatus and processing circuitry. The imaging apparatus applies one-time or multiple-time medical imaging to a subject to which a plurality of drugs having a tissue accumulation property, which corresponds to a tissue characteristic, are administered successively or simultaneously. The processing circuitry reconstructs one or a plurality of medical images, based on one or a plurality of set of raw data acquired by the one-time or multiple-time medical imaging. The processing circuitry estimates a tissue characteristic of a target region, based on a spatial distribution of the drugs rendered on the one or the plurality of medical images. The processing circuitry displays the estimated tissue characteristic.

Abstract: According to one embodiment, a medical device operation method includes a monitoring step and an application step. In the monitoring step, a monitoring apparatus executes first CT imaging on a treatment target person into which a first drug particle with a suppressed onset of a treatment effect is introduced, and monitors an accumulation of the first drug particles in a tissue, based on spectral information acquired by the first CT imaging. In the application step, an application apparatus applies an action for exerting the treatment effect of the first drug particle to the first drug particle accumulating in the tissue, by using as a trigger an event that the accumulation of the first drug particles in the tissue satisfies an objective condition.

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: 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: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a first data set corresponding to first X-ray energy and a second data set corresponding to second X-ray energy different from the first X-ray energy, with respect to a region including a part of a subject by performing scanning using X-rays. The processing circuitry generates a scatter diagram representing a contained amount of each of reference materials at each of positions in the region on the basis of the first data set and the second data set. The processing circuitry sets weights for at least a part of the scatter diagram. The processing circuitry generates an analysis image based on the contained amounts and the weights.

Abstract: An image processing apparatus includes processing circuitry configured: to obtain a plurality of images taken so as to include a target site of a subject in temporal phases; and to calculate an index indicating a state of an adhesion at a boundary between a first site of the subject corresponding to a first region and a second site of the subject corresponding to a second region, by using classification information used for classifying each of pixels into one selected from between a first class related to the first region and a second class related to a second region positioned adjacent to the first region in a predetermined direction, on a basis of mobility information among the images in the temporal phases with respect to the pixels in the images that are arranged in the predetermined direction across the boundary between the first region and the second region of the images.

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: 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: 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: 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 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: 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 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: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a first data set corresponding to first X-ray energy and a second data set corresponding to second X-ray energy different from the first X-ray energy, with respect to a region including a part of a subject by performing scanning using X-rays. The processing circuitry generates a scatter diagram representing a contained amount of each of reference materials at each of positions in the region on the basis of the first data set and the second data set. The processing circuitry sets weights for at least a part of the scatter diagram. The processing circuitry generates an analysis image based on the contained amounts and the weights.

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: 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 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: An image processing system is provided, including an accepting unit, an acquisition unit, a measuring unit, and an output unit. The accepting unit accepts the setting of two coordinates in a stereoscopic image of a subject displayed on a stereoscopic image display device. The acquisition unit acquires volume data coordinates that are coordinates corresponding to stereoscopic image coordinates indicating the accepted coordinates. The measuring unit executes a measuring process of measuring the distance between the two coordinates accepted by the accepting unit, based on the volume data coordinates acquired by the acquisition unit. The output unit outputs a result of measurement by the measuring unit.

Abstract: An image processing apparatus includes processing circuitry configured: to obtain a plurality of images taken so as to include a target site of a subject in temporal phases; and to calculate an index indicating a state of an adhesion at a boundary between a first site of the subject corresponding to a first region and a second site of the subject corresponding to a second region, by using classification information used for classifying each of pixels into one selected from between a first class related to the first region and a second class related to a second region positioned adjacent to the first region in a predetermined direction, on a basis of mobility information among the images in the temporal phases with respect to the pixels in the images that are arranged in the predetermined direction across the boundary between the first region and the second region of the images.