Fig. 3From: Association between anterior bone loss and anterior heterotopic ossification in hybrid surgerySerial postoperative radiographs of a 40-year-old man who underwent contiguous 2-level hybrid surgery at C5-C7. a and b The immediate and 6-month postoperative lateral radiographs show the peri-prosthesis bone loss and anterior heterotopic ossification. c At the last follow-up, the lateral radiograph shows the anterior heterotopic ossification developedBack to article page