Provided is an image management apparatus that can extract images useful for diagnosis without any omission, and can create backups with less storage capacity than in the background art. An image management apparatus 1 includes an image storage unit 131 configured to store image data of a series of images for each examination； a display unit 15 configured to display the series of images； an input unit 11 configured to input an operation signal to a displayed image； an operation information storage unit 133 configured to store information indicating an operation to an image currently displayed, in association with the image on which the operation is performed； an image extraction unit 162 configured to extract an image group based on the image associated with the information indicating the operation； and a backup image storage unit 17 configured to store image data of the extracted image group. The operation information storage unit 133 stores information indicating the operation performed by a plurality of users in one examination, for each user in association with the image on which the operation is performed, and the image extraction unit 162 extracts the image group based on the image associated with the information indicating the operation performed by the plurality of users included in one examination.
