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Mini-open Lateral En Bloc Corpectomy

Cadaveric Feasibility and Early Clinical Experience

Turner, Jay D. MD, PhD; Zaidi, Hasan A. MD; Godzik, Jakub MD; Albuquerque, Felipe C. MD; Uribe, Juan S. MD

doi: 10.1097/BSD.0000000000000799
SURGICAL TECHNIQUE
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Background: Open approaches to the thoracolumbar spine for en bloc vertebral body tumor resection are associated with significant surgical morbidity. Less invasive surgical techniques may reduce complications.

Objective: To present our experience with a staged posterior midline and mini-open anterolateral extracoelomic approach to en bloc corpectomy for vertebral body tumor resection in cadaver specimens and patients.

Materials and Methods: The feasibility and safety of the staged posterior midline and mini-open anterolateral extracoelomic approach were evaluated in 3 cadaveric specimens. The procedure was performed at 3 levels (L1–L3) in each cadaver specimen (9 levels) and then in 1 clinical case. The cadaveric neurovascular structures were evaluated for tissue injury, whereas the operative experience, patient complications, and early surgical and clinical outcomes were reviewed.

Results: The approach allowed for en bloc corpectomy without any injury to the cadaveric neurovascular structures. The procedure was reproducible in the clinical setting, which showed favorable clinical and radiographic patient outcomes.

Conclusions: Early clinical experience suggests the staged posterior midline and mini-open anterolateral extracoelomic approach is feasible and safe for en bloc tumor resection compared with open techniques with related morbidity. Long-term studies are needed to understand the strengths and limitations of this technique.

Department of Neurosurgery, St. Joseph’s Hospital and Medical Center, Barrow Neurological Institute, Phoenix, AZ

The authors declare no conflict of interest.

Reprints: Jay D. Turner, MD, PhD, c/o Neuroscience Publications, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, 350 W. Thomas Road, Phoenix, AZ 85013 (e-mail: neuropub@barrowneuro.org).

Received February 16, 2018

Accepted January 8, 2019

© 2019 by Lippincott Williams & Wilkins, Inc.