Kabushiki Kaisha Toshiba

Toshiba Medical Systems Corporation

Canon Medical Systems Corporation

Shigehide Kuhara

Tomoyuki Takeguchi

Shuhei Nitta

Shoichi Kanayama

Yoshimori Kassai

Masao Yui

Kiyomi Mori

Mitsue Miyazaki

Taichiro Shiodera

Kozo Sato

Nobuyuki Matsumoto

Yukinobu Sakata

Kensuke Shinoda

Tsutomu Hoshino

Arturo Calderon

Takuya Fujimaki

Yurika Ogawa

Ayako Ninomiya

Syuhei Takemoto

Hitoshi Yamagata

Kozo Satoh

Masaaki Yamanaka

Yasutake Yasuhara

Makoto Sato

Kazuya Okamoto

Satoshi Sugiura

Tatsuya Kimoto

Hidekazu Tanaka

Shigeharu Ohyu

Yoshitomo Sakakura

Yoshihiro Ikeda

Hiroshi Sugimoto

Manabu Ishii

Kota Aoyagi

Koji Kitamura

Yutaka Kato

Kazuto Nogami

Masashi Yoshida

Mitsukazu Kamata

Masato Ikedo

Tomoyuki Yoshida

Tetsuya Yokota

Shuhei Bannae

Masateru Iwasa

Junichi Makita

Fumiki Nakano

Tsutomu Igarashi

Tomohisa Fukunaga

Taketo Kawakami

Takashi Yanashima

Hirofumi Anno

A magnetic resonance imaging apparatus according to an embodiment includes a processor and a memory. The memory stores processor-executable instructions that cause the processor to detect cross-sectional positions of a plurality of cross-sectional images to be acquired in an imaging scan from volume data; acquire the cross-sectional images in sequence based on the cross-sectional positions by executing the imaging scan; and after the first cross-sectional image is acquired in the imaging scan, generate a display image, and display the display image on a display, the display image being an image in which a cross-sectional position of a second cross-sectional image which is detected from the volume data is superimposed on the first cross-sectional image, the second cross-sectional image being a cross-sectional image before being acquired and intersecting with the first cross-sectional image.

Magnetic resonance imaging apparatus

A magnetic resonance imaging apparatus according to embodiments includes processing circuitry. The processing circuitry configured to acquire layout information which defines a layout of cross-sectional images on a localizer screen, to detect cross-sectional positions of the cross-sectional images from MR data, and to generate the localizer screen according to the layout information, the localizer screen including all or a part of the plurality of cross-sectional images generated on the basis of the plurality of cross-sectional positions.

Magnetic resonance imaging apparatus and medical image processing method

A magnetic resonance imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry generates a plurality of cross-sectional images for setting a sectional position to be collected in main imaging based on a characteristic portion of a target detected in three-dimensional data. The processing circuitry lists the cross-sectional images on a display and superimposes a mark corresponding to the characteristic portion on at least one of the cross-sectional images. The processing circuitry receives a setting operation to determine the sectional position. The processing circuitry causes, when the mark is selected in the setting operation, a cross-sectional image to be emphasized a sectional position of which is defined using the characteristic portion corresponding to the mark among the listed cross-sectional images. The processing circuitry performs main imaging based on the sectional position after the setting operation.

According to one embodiment, a magnetic resonance imaging apparatus includes a data acquiring part and a processing circuit. The data acquiring part is configured to acquire a magnetic resonance signal after applying an inversion recovery pulse or a saturation pulse. The processing circuit generates magnetic resonance examination data based on the magnetic resonance signal, by data processing including processing for compensating an incomplete inversion of a longitudinal magnetization resulting from an inversion efficiency of the inversion recovery pulse or processing for compensating an incomplete saturation of a longitudinal magnetization resulting from a saturation efficiency of the saturation pulse.

Magnetic resonance imaging apparatus and magnetic resonance imaging method with curve fitting expression providing compensation for inversion recovery, or with curve fitting expression providing compensation for saturation

A magnetic resonance imaging apparatus according to an embodiment includes a sequence control unit, an image generating unit, and a deriving unit. The sequence control unit executes first imaging scan for acquiring data of a range including a target internal organ and second imaging scan for acquiring data for a diagnostic image by controlling execution of a pulse sequence. The image generating unit generates an image by using data acquired by the first imaging scan. The deriving unit derives an imaging scan area in which data for the diagnostic image are acquired in the second imaging scan and a related area set associated with the imaging scan area in the second imaging scan, based on image processing using the image.

Magnetic resonance imaging apparatus, magnetic resonance imaging method and magnetic resonance imaging system

A magnetic resonance imaging apparatus according to an embodiment includes sequence controlling circuitry and image generating circuitry. The sequence controlling circuitry is configured to continuously apply, after application of an excitation pulse, a readout gradient magnetic field while inverting polarity to control execution of a pulse sequence that continuously generates multiple echo signals and configured to collect echo signals for multiple channels by parallel imaging. The image generating circuitry is configured to extract at least one of an even-number-th collected echo signal group and an odd-number-th collected echo signal group from multiple echo signals continuously collected and configured to generate at least one of an even-number-th image and an odd-number-th image using the extracted echo signal group for the multiple channels and sensitivity distribution for the multiple channels.

MRI apparatus that continuously generates and collects multiple echo K-space data from which odd and/or even numbered collected groups of K-space data are extracted and separately processed

A magnetic resonance apparatus of the present embodiment includes: a gantry which includes a static field magnet, a gradient coil and an RF coil to image an object; processing circuitry; a memory that stores processor-executable instructions that, when executed by the processing circuitry, cause the processing circuitry to detect at least one position of an aortic valve and a pulmonary valve from three-dimensional image data including a heart of the object, as at least one characteristic region inside the heart, specify a position of an imaging cross-section substantially orthogonal to a bloodstream path inside the heart based on the position of the aortic valve or the pulmonary valve, and cause the gantry to image the imaging cross-section of the object at the specified position of the imaging cross-section.

Magnetic resonance imaging apparatus and magnetic resonance imaging method

In one embodiment, a medical image processing apparatus includes a display and processing circuitry. The processing circuitry is configured to (a) calculate fluid information including flow-velocity vectors based on three-dimensional image data of plural time phases, which are acquired by a phase contrast method of magnetic resonance imaging, and in which fluid flowing inside a lumen is depicted, (b) identify a branching position where a second lumen branches from a first lumen, based on change in flow volume of fluid flowing inside the first lumen along an extending direction of the first lumen, and (c) cause the display to display an analysis result including fluid information of fluid flowing inside the second lumen, based on the branching position.

Medical image processing apparatus and medical image processing method

An MRI apparatus includes an imaging data acquiring unit and a blood flow information generating unit. The imaging data acquiring unit acquires imaging data from an imaging region including myocardium, without using a contrast medium, by applying a spatial selective excitation pulse to a region including at least a part of an ascending aorta for distinguishably displaying inflowing blood flowing into the imaging region. The blood flow information generating unit generates blood flow image data based on the imaging data.

A respiration suppressing member includes a main body of an elastic material which is formed into a shape having a pressurizing portion for pressurizing that portion of the abdomen of a subject under imaging diagnosis by a medical modality which is located below the sternum and between the right and left ribs of the subject.

Respiration suppressing mat and magnetic resonance imaging apparatus and method

According to one embodiment, an image processing apparatus includes a storage unit configured to store data of a series of slice images associated with a region including a target region of an object, a first rest period specifying unit configured to specify a first rest period based on a change between images of the series of slice images, and a second rest period specifying unit configured to specify a second rest period shorter than the first rest period by tracking the target region on a plurality of slice images corresponding to the specified first rest period or a rest period enlarged from the first rest period.

A magnetic resonance imaging apparatus according to an embodiment includes an acquiring unit, a detecting unit, a deriving unit, and an imaging controller. The acquiring unit acquires three-dimensional image data including a target organ. The detecting unit detects an upper end position and a lower end position of the target organ in the three-dimensional image data. The deriving unit derives an imaging range of subsequent imaging performed after acquisition of the three-dimensional image data based on the upper end position and the lower end position of the target organ. The imaging controller controls performance of the subsequent imaging in accordance with the imaging range.

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Otawara, Japan

Shigehide Kuhara