PROBLEM TO BE SOLVED: To provide a three-dimensional medical image display control device that can perform display enabling a proper grasp of the presence or absence of a lesion of interstitial pneumonia and the degree of progress thereof, an operation method for the three-dimensional medical image display control device, and a three-dimensional medical image display control program.SOLUTION: A three-dimensional medical image display control device comprises a curved surface setting part 12 for setting a curved surface along a lung field surface inside a lung field, in a three-dimensional medical image including a lung field image, and a display control part 13 for three-dimensionally displaying the curved surface by using a pixel value on the curved surface, which is set by the curved surface setting part 12.【課題】間質性肺炎の病変の有無やその進行度を適切に把握可能な表示を行うことができる３次元医用画像表示制御装置およびその作動方法並びに３次元医用画像表示制御プログラムを提供する。【解決手段】肺野を含む３次元医用画像において、肺野の内側に肺野の表面に沿った曲面を設定する曲面設定部１２と、曲面設定部１２によって設定された曲面上の画素値を用いてその曲面を立体的に表示させる表示制御部１３とを備える。【選択図】図１
