Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13018-016-0432-8/MediaObjects/13018_2016_432_Fig4_HTML.gif)
a PA radiograph of a patient with ulnar abutment revealing both 6 mm of ulnar-positive variance and incidentally an ulnar styloid nonunion. b Neutral to −1 mm of ulnar variance after a diaphyseal ulnar shortening osteotomy is performed
a PA radiograph of a patient with ulnar abutment revealing both 6 mm of ulnar-positive variance and incidentally an ulnar styloid nonunion. b Neutral to −1 mm of ulnar variance after a diaphyseal ulnar shortening osteotomy is performed