Disclosed herein are a display apparatus which facilitates a simultaneous comparison of a plurality of images which respectively illustrate different features on one divided display screen such that the images are seamlessly displayed on the screen, and an image display method which is performable by using the apparatus. The display apparatus includes a memory configured to store a plurality of different types of images of an object, an input device configured to receive an input of a command relating to simultaneously displaying the different types of images, and a display device configured to display images. Upon receiving the command, the display device divides a screen upon which an image of the object is displayable into a first region within which a first image showing one portion of the object is displayed and a second region within which a second image showing the remaining portion of the object is displayed.