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Related Concept Videos

Computed Tomography01:10

Computed Tomography

6.8K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Related Experiment Video

Updated: Oct 2, 2025

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion
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Computed Tomography-Based Navigation System in Current Spine Surgery: A Narrative Review.

Nao Otomo1,2, Haruki Funao1,2,3, Kento Yamanouchi1,3

  • 1Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, Chiba 286-8520, Japan.

Medicina (Kaunas, Lithuania)
|February 25, 2022
PubMed
Summary

Intraoperative CT navigation enhances spine surgery safety and efficiency, improving complex and minimally invasive procedures. This technology addresses limitations of older systems, becoming standard for navigated spine surgery.

Keywords:
computed tomography-based navigationminimally invasive spinal stabilization (MISt)minimally invasive spinal treatment (MIST)minimally invasive spine surgery (MISS)pedicle screwpercutaneous pedicle screw (PPS)

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Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Medical Imaging

Background:

  • Spine surgery instrumentation use is rising due to surgical advancements.
  • Navigation systems enhance safety and enable complex procedures, including minimally invasive spine stabilization (MISt).
  • Conventional navigation systems using preoperative CT had accuracy and registration issues.

Purpose of the Study:

  • To highlight the use of intraoperative CT-based navigation in current spine surgery.
  • To discuss future challenges and prospects of this technology.

Main Methods:

  • Review of intraoperative CT-based navigation systems.
  • Comparison with conventional preoperative CT-based navigation.

Main Results:

  • Intraoperative CT navigation resolves positioning inaccuracies and registration time loss issues.
  • It has become the mainstay for navigated spine surgery since its introduction in 2006.

Conclusions:

  • Intraoperative CT navigation significantly improves accuracy and efficiency in spine surgery.
  • It is crucial for advancing minimally invasive spine stabilization and complex spinal procedures.