PROBLEM TO BE SOLVED: To provide ultrasonic diagnostic equipment capable of extracting a time intensity curve that takes the maximum intensity in a mass area by simple arithmetic processing.SOLUTION: Ultrasonic diagnostic equipment includes: a region-of-interest setting unit 107 for setting a region of interest in a B-mode image that serves as a reference a correspondence region-of-interest setting unit for setting a correspondence region of interest corresponding to the region of interest in the B-mode image and a maximum TIC determination unit for setting, in the contrast image, the region of interest in the B-mode image generated depending on the same reflection ultrasonic wave or a contrast image region-of-interest corresponding to the correspondence region-of-interest, and a plurality of local regions included in the contrast image region-of-interest, and determining the maximum time intensity curve based on the contrast image of a plurality of frames for a local region where the maximum value in the plurality of frames of an evaluation value on the basis of the intensity of the contrast image for a pixel included in the local regions is the largest in the plurality of local regions.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】簡易な演算処理により腫瘤領域内の最高輝度を採る時間輝度曲線を抽出できる超音波診断装置を提供する。【解決手段】基準となるBモード画像中に関心領域を設定する関心領域設定部107と、Bモード画像中に関心領域内と対応する対応関心領域を設定する対応関心領域設定部と、造影画像に、同じ反射超音波に依拠して生成されたBモード画像の関心領域又は対応関心領域に対応する造影画像関心領域と、当該造影画像関心領域に含まれる複数の局所領域とを設定し、当該局所領域に含まれる画素に対する造影画像の輝度に基づく評価値の複数フレームにおける最大値が、複数の局所領域中最大である局所領域に対する複数フレームの造影画像に基づいて最大時間輝度曲線を決定する最大TIC決定部とを備えた。【選択図】図1