Medical image diagnostic apparatus

Abstract

According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.

1 . A computer implemented method comprising:
 acquiring first data representing a spatial distribution of a blood vessel structure based on a morphological image including a coronary artery;   determining a displaying area based on the blood vessel structure;   acquiring second data representing a spatial distribution of functional parameters being derived from at least one of: myocardial perfusion image, single photon emission computed tomography (SPECT) image, positron emission tomography (PET) image, and delayed enhancement image using magnetic resonance imaging (MRI) regarding a cardiac muscle;   displaying at least one color map among a color map representing a spatial distribution of Fractional Flow Reserve (FFR) parameters acquired based on the first data for the coronary artery, and a color map representing the spatial distribution of the functional parameters based on the second data, wherein the representation of the spatial distribution of the FFR parameters is set within the displaying area; and   displaying at least one color scale bars representing at least one of correspondence between the FFR parameters and colors for the FFR parameters in the color map, and the representation of the spatial distribution of the FFR parameters.