Fig. 3

A 53-year-old man with a Lisfranc injury of Myerson classification C1. The postoperative anteroposterior and oblique plain radiograph (a, b) showed the reduction was poor because of the diastasis between the base of the first and second metatarsals was beyond 2 mm, which was also showed clearly in the post-processing CT images in VR mode (d). But furthermore, in the MPR mode of CT images, more fracture fragments at the second and third metatarsal bases were found not reducted with a distance of more than 1 mm (c), while could not be discovered clearly in the plain radiographs