Fig. 3From: Healing pattern classification for thoracolumbar burst fractures after posterior short-segment fixationA 48-year-old female had a burst fracture at L1, with an ASIA grade for neurological function of E on admission. a Preoperative X-ray and CT images show an A3 burst fracture. b X-ray and CT images at 14 months after surgery show a defect region smaller than 1/3 of the vertebral body volume with violation of the upper endplate, which was classified as HPC type IIBack to article page