System for Erasing Medical Image Features

A system erases features in a displayable three dimensional (3D) medical image volume comprising multiple image slices. An erasure cursor coordinate detector detects two dimensional (2D) location coordinates identifying location of a movable erasure cursor in a displayed image within the medical image volume. A data processor translates the detected erasure cursor 2D location coordinates to corresponding 2D pixel coordinates within an image slice in the 3D medical image volume. The data processor sets luminance values of pixels corresponding to the 2D pixel coordinates of the image slice to a background luminance value of the image slice to provide erased pixels corresponding to erasure cursor locations having an identifier. A display processor generates data representing a display image showing the image slice with the set background luminance values of the erased pixels.