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Related Concept Videos

Computed Tomography01:10

Computed Tomography

4.8K
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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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Related Experiment Video

Updated: Aug 19, 2025

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion
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Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

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[Spinal navigation with preoperative computed tomography].

Marcus Richter1

  • 1Wirbelsäulenzentrum, St. Josefs-Hospital GmbH, Beethovenstr. 20, 65189, Wiesbaden, Deutschland. mrichter@joho.de.

Operative Orthopadie Und Traumatologie
|November 29, 2022
PubMed
Summary
This summary is machine-generated.

Spinal navigation significantly improves screw placement accuracy and reduces complications in posterior spinal surgeries. This advanced technique also substantially lowers radiation exposure for the surgical team.

Keywords:
ComplicationsImage-guided surgeryImplant malplacementSpinal navigationSpine

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Area of Science:

  • Spinal surgery
  • Neurosurgery
  • Orthopedic surgery

Context:

  • Posterior spinal instrumentation involves placing screws for various spinal conditions.
  • Spinal navigation offers a potential solution to improve accuracy and safety.

Purpose:

  • To evaluate the effectiveness and safety of spinal navigation for posterior cervical-sacral pedicle screws, S2-Ala-iliac screws, iliac screws, transarticular screws C1/2, translaminar screws C2, and cervical lateral mass screws.

Summary:

  • Spinal navigation is utilized for posterior spinal instrumentation in cases of instability and deformities (rheumatic, traumatic, neoplastic, infectious, iatrogenic, congenital) and cervical spinal stenosis.
  • The technique involves precise screw insertion under navigation, followed by decompression, rod instrumentation, and bone grafting for fusion if needed.
  • Postoperative management includes monitoring without external bracing for stable cases, with follow-up at 3 and 12 months.

Impact:

  • Spinal navigation demonstrably reduces implant malplacement rates, surgical complications, and the need for revision surgeries.
  • Intraoperative radiation exposure for the surgical team can be decreased by up to 90% with the use of spinal navigation.