1. A method to automatically display and/or measure bone variations in medical image data, comprising: providing a medical image data set to a computerized processor, said medical image data set representing an examination region of a subject that comprises bone regions and bone variation regions; in said processor, implementing a first segmentation of said image data set in which said bone regions in said image data set are automatically segmented; in said processor, implementing a second segmentation in which said bone variation regions in said image data set are automatically segmented based on the bone regions segmented in said first segmentation; and making at least one of the segmented bone regions from said first segmentation for said segmented bone variation regions from said second segmentation available in electronic form at an output of said processor.