Abstract: A medical image processing apparatus comprises processing circuitry configured to: obtain image data representative of a brain of a subject; obtain data representing a clinical sign or symptom of the subject, wherein the clinical sign or symptom is relevant to a brain condition; process the image data to obtain an estimation of an abnormality in the brain of the subject; and determine whether the estimation of the abnormality is consistent with the data representing the clinical sign or symptom.

Abstract: An image display apparatus comprises processing circuitry configured to receive medical image data including a representation of at least one eye of a subject, process the medical image data to determine an eye gaze direction for the at least one eye of the subject, and select a display mode for displaying the medical image data in dependence on the determined eye gaze direction.

Abstract: A medical information processing apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured to: obtain first nerve activity information indicating an activity of a nerve of a subject; estimate first feeling information indicating a feeling experienced by the subject on the basis of the first nerve activity information; and determine presentation information to enable an evaluator to experience the feeling of the subject, on the basis of the first feeling information.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry sets an imaging region and a labeling region based on at least a blood vessel structure, the imaging region being a region of a matrix of a plurality of divided voxels including different blood vessel regions, respectively, the labeling region being a region to which a labeling pulse for labeling blood flowing into the imaging region is applied. The processing circuitry acquires data of the imaging region by applying the labeling pulse to the labeling region by using an arterial spin labeling (ASL) method. The processing circuitry generates an image based on the data. The processing circuitry determines anomaly of the blood vessel regions by comparing signal values of the voxels included in the image.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a sequence controller and a storage unit. The sequence controller acquires magnetic resonance signals of a target imaging part including cerebrospinal fluid flowing therein of a subject in a condition where a supply of oxygen is receivable, at a plurality of time phases in an oxygen inhalation process of the subject. The storage unit stores therein the magnetic resonance signals acquired at the time phases.

Abstract: In one embodiment, an MRI apparatus includes a memory storing a predetermined program and processing circuitry. The processing circuitry is configured, by executing the predetermined program, to generate a first image having a first phase affected by susceptibility, generate a second image having a second phase affected by both of the susceptibility and flow, and distinguish difference in susceptibility or flow for a pixel of a third image by using the first phase and the second phase or by using a value calculated from the first phase and a value calculated from the first phase, the third image having regions which are substantially same in contrast.

Abstract: A medical image processing apparatus comprises processing circuitry configured to: obtain image data representative of a brain of a subject; obtain data representing a clinical sign or symptom of the subject, wherein the clinical sign or symptom is relevant to a brain condition; process the image data to obtain an estimation of an abnormality in the brain of the subject; and determine whether the estimation of the abnormality is consistent with the data representing the clinical sign or symptom.

Abstract: A medical image processing apparatus according to a present embodiment includes processing circuitry. The processing circuitry is configured to: acquire a subject image relating to a subject; acquire a standard image indicating a morphological structure of a human body and sections of a morphological structure from a memory which stores each standard image in association with sections of a morphological structure; set a comparison target portion of the subject image based on the subject image; set a comparison target portion of the standard image based on a comparison between the subject image and the standard image; specify a section in the comparison target portion of the subject image based on a comparison between the comparison target portion of the subject image and the comparison target portion of the standard image; and output the subject image and the section in association with each other.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry performs at least one of data collection for collecting first data of an imaging region of a subject at a plurality of time intervals after a tag pulse is applied to fluid flowing into the imaging region, and data collection for collecting second data of the imaging region by differing at least one of applying or not-applying the tag pulse and a position of the applying. The processing circuitry performs phase correction for at least one of the first data and the second data by using data in which the longitudinal magnetization of the fluid is a positive value, to generate an image for each time phase.

Abstract: In one embodiment, an MRI apparatus includes: a scanner equipped with at least a static magnetic field magnet configured to generate a static magnetic field, a gradient coil configured to apply gradient pulses, and an RF coil configured to apply RF pulses to an object and receive magnetic resonance signals from the object; and processing circuitry configured to set at least one pulse sequence which includes a labeling pulse for labeling fluid in the object, an excitation pulse applied after the labeling pulse, and a bipolar or unipolar velocity encoding gradient pulse for encoding velocity information of the fluid, and generate an image of the fluid from the magnetic resonance signals which the scanner acquires by performing the at least one pulse sequence.

Abstract: In one embodiment, an MRI apparatus includes a memory storing a predetermined program and processing circuitry. The processing circuitry is configured, by executing the predetermined program, to generate a first image having a first phase affected by susceptibility, generate a second image having a second phase affected by both of the susceptibility and flow, and distinguish difference in susceptibility or flow for a pixel of a third image by using the first phase and the second phase or by using a value calculated from the first phase and a value calculated from the first phase, the third image having regions which are substantially same in contrast.

Abstract: A medical image processing apparatus according to a present embodiment includes processing circuitry. The processing circuitry is configured to: acquire a subject image relating to a subject; acquire a standard image indicating a morphological structure of a human body and sections of a morphological structure from a memory which stores each standard image in association with sections of a morphological structure; set a comparison target portion of the subject image based on the subject image; set a comparison target portion of the standard image based on a comparison between the subject image and the standard image; specify a section in the comparison target portion of the subject image based on a comparison between the comparison target portion of the subject image and the comparison target portion of the standard image; and output the subject image and the section in association with each other.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry and a display. The processing circuitry obtains first imaged data taken of a subject and second imaged data taken of the subject on a date/time different from the date/time on which the first imaged data was taken. The processing circuitry generates estimation data by performing an image processing process that changes the first imaged data on the basis of a predetermined change model. The processing circuitry generates a display image indicating the difference between the estimation data and the second imaged data. The display displays the display image.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a sequence controller and a storage unit. The sequence controller acquires magnetic resonance signals of a target imaging part including cerebrospinal fluid flowing therein of a subject in a condition where a supply of oxygen is receivable, at a plurality of time phases in an oxygen inhalation process of the subject. The storage unit stores therein the magnetic resonance signals acquired at the time phases.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry generates an image based on a magnetic resonance signal from a subject. The processing circuitry generates a susceptibility image representing magnetic susceptibility of the subject from a phase component contained in a plurality of pixels in the image. The processing circuitry generates an artifact component of the susceptibility image based on a frequency signal obtained by frequency transform of the susceptibility image. The processing circuitry generates an artifact component-removed susceptibility image by removing the artifact component from a susceptibility image generated based on the magnetic resonance signal.

Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a data acquisition unit and an image generation unit. The data acquisition unit is configured to acquire magnetic resonance signals from an object in a data acquisition order having a first regularity and a data acquisition order having a second regularity different from the first regularity. The magnetic resonance signals correspond to a sampling region asymmetric in a wave number direction in a k-space. The image generation unit is configured to generate magnetic resonance image data by data processing including image reconstruction processing based on the magnetic resonance signals and a signal filling to a non-sampling region using a phase conjugate symmetry in the k-space.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a sequence controller and a storage unit. The sequence controller acquires magnetic resonance signals of a target imaging part including cerebrospinal fluid flowing therein of a subject in a condition where a supply of oxygen is receivable, at a plurality of time phases in an oxygen inhalation process of the subject. The storage unit stores therein the magnetic resonance signals acquired at the time phases.

Abstract: A magnetic-resonance imaging apparatus of an embodiment includes acquiring circuitry and processing circuitry. The acquiring circuitry acquires a magnetic resonance signal that is generated from a subject. The processing circuitry creates a phase image based on the magnetic resonance signal. The processing circuitry sets a combination of a plurality of filters that are used to remove a phase variation derived from a background magnetic field according to a region in the phase image. The processing circuitry removes a phase variation derived from the background magnetic field from the phase image by using the combination of the filters.

Abstract: In one embodiment, an MRI apparatus includes: a scanner equipped with at least a static magnetic field magnet configured to generate a static magnetic field, a gradient coil configured to apply gradient pulses, and an RF coil configured to apply RF pulses to an object and receive magnetic resonance signals from the object; and processing circuitry configured to set at least one pulse sequence which includes a labeling pulse for labeling fluid in the object, an excitation pulse applied after the labeling pulse, and a bipolar or unipolar velocity encoding gradient pulse for encoding velocity information of the fluid, and generate an image of the fluid from the magnetic resonance signals which the scanner acquires by performing the at least one pulse sequence.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an execution unit and a generation unit. The execution unit executes first data collection after a predetermined inversion time elapses from a time when a labeling pulse is applied to a fluid flowing into an imaging region of a subject and a second data collection without application of the labeling pulse. The generation unit generates a differential image by using the first data and the second data. Here, the generation unit generates the differential image by a different differential method according to a relationship between the inversion time and a longitudinal relaxation time of the fluid.