Figure 3From: The flying buttress construct for posterior spinopelvic fixation: a technical note Case 2. A 42-year old patient with a pseudarthrosis of L5-S1 and failure of both S1 screws following en block spondylectomy for a chordoma of L5 who underwent extension of the posterior fusion with lumbosacral and spinopelvic fixation. Figure 3a: Postoperative anteroposterior radiograph. Figure 3b: Postoperative lateral radiographBack to article page