PROBLEM TO BE SOLVED: To provide a technology for enabling display for easily retrieving a region of attention selected from a plurality of regions of interest such as lesion sites, from a target picture.SOLUTION: A picture processing apparatus comprises: region acquisition means for acquiring a plurality of regions of interest selection means for selecting at least one region of interest from the plurality of regions of interest to take the region as a region of attention picture acquisition means for acquiring a medical picture display control means for making positions of the acquired plurality of regions of interest be displayed and making existence regions, at which the medical pictures correspondence regions corresponding to the acquired plurality of regions of interest may exist, be displayed on the medical picture and change means for changing a display mode for positions of regions of interest other than the region of attention and a display mode for the existence regions corresponding to the regions of interest other than the region of attention, by using different methods depending on the selection.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】 複数の病変部等の関心領域から選択した注目領域を、対象画像から容易に探索するための表示を行なえるようにした技術を提供する。【解決手段】 画像処理装置は、複数の関心領域を取得する領域取得手段と、前記複数の関心領域から少なくとも1つの関心領域を選択して注目領域とする選択手段と、医用画像を取得する画像取得手段と、前記取得された複数の関心領域の位置を表示させるとともに、前記取得された複数の関心領域に対応する前記医用画像における対応領域が存在しうる存在領域を前記医用画像上に表示させる表示制御手段と、前記注目領域以外の関心領域の位置の表示態様と、注目領域以外の関心領域の前記存在領域の表示態様とを、前記選択に応じて異なる方法で変更する変更手段とを備える。【選択図】 図1