Fig. 4From: Perioperative outcome and complications following single-staged Posterior Spinal Fusion (PSF) using pedicle screw instrumentation in Adolescent Idiopathic Scoliosis (AIS): a review of 1057 cases from a single centreOne case with superior mesenteric artery (SMA) syndrome after scoliosis surgery (preoperative x-ray – a & b, postoperative AP x-ray – c). Sagittal (d) and axial (e) of computed tomography angiography (CTA) of the abdomen revealed aortomesenteric angle of 10°, SMA-aorta distance of 3.2 mm and constriction of 3rd part of duodenum by the branches of the SMABack to article page