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Updated: Jun 17, 2026
A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement
Published on: May 11, 2020
Thoracic aortic stent-graft placement for safe removal of a malpositioned pedicle screw
Hong-Tao Hu1, Ji Hoon Shin, Jae-Yeon Hwang
1Department of Radiology, Henan Tumor Hospital, Zhengzhou, Henan Province, People's Republic of China.
Abstract:
We describe a case of percutaneous placement of a thoracic aortic stent-graft for safe removal of a malpositioned pedicle screw in a 52-year-old man. The patient had undergone posterior thoracic spinal instrumentation for pyogenic spondylitis and spinal deformity 8 months previously. Follow-up CT images showed a malpositioned pedicle screw which was abutting the thoracic aorta at the T5 level. After percutaneous stent-graft placement, the malpositioned pedicle screw was safely and successfully removed.
