According to one embodiment, an internal storage unit stores auxiliary diagnostic indication concerning each of examination items in association with a display position of the auxiliary diagnostic indication in a display area where an ultrasonic image is displayed. An image generation unit generates an ultrasonic image concerning an examination item of a scan target based on an echo signal from an ultrasonic probe. A monitor has a display area. A display control unit controls the monitor so as to display specific auxiliary diagnostic indication, of auxiliary diagnostic indication stored in the storage unit, which is associated with an examination item of the scan target, at a specific display position associated with the specific auxiliary diagnostic indication.