• Masato Tanaka, Mahendra Singh, Yoshihiro Fujiwara, Koji Uotani, Shinya Arataki, Taro Yamauchi, and Kazuo Nakanishi.
• Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama, Japan. Electronic address: tanaka0896@gmail.com.
• World Neurosurg. 2021 Jul 1; 151: 138-144.

BackgroundThoracolumbar corpectomy and percutaneous pedicle screw (PPS) fixation is becoming the standard method for correcting and stabilizing malalignment of spine, as is often seen in osteoporotic vertebral fracture. Nowadays, this procedure can be performed in a single lateral position with navigation. For an osteoporotic spine, accurate rod bending is necessary to prevent screw back-out. We describe a new technique using the spinal rod-bending system in a single lateral position.MethodsA 71-year-old woman presented with severe back pain and impending paraplegia secondary to L1 osteoporotic vertebral fracture. We performed minimally invasive L1 corpectomy with an expandable vertebral cage and short-segment PPS with computer-assisted rod bending in a single lateral position under navigation guidance.ResultsThe patient was successfully treated with surgery, and her low back pain improved. Her clinical outcomes improved; the Oswestry Disability Index went from 54% to 26%, and her low back pain visual analog scale score went from 78 mm to 19 mm at the 2-year final follow-up.ConclusionsMinimally invasive surgery thoracolumbar corpectomy using a computer-assisted spinal rod-bending system is a valuable technique to reduce screw back-out for osteoporotic vertebrae. With this new technique, the rod bending becomes easy, even for long PPS fusion with the severe osteoporotic or deformity patient in a single lateral position.Copyright © 2021 Elsevier Inc. All rights reserved.

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