Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Factors Affecting Contrast Enhancement on CT Images.

Radiographics : a review publication of the Radiological Society of North America, Inc·2026

Same author

Histotripsy-Induced Acute Kidney Injury Following Liver Tumor Treatment: A Preliminary Report of 9 Cases.

Journal of vascular and interventional radiology : JVIR·2026

Same author

Technical Note: Efficacy of CT spatial resolution metrics in clinical settings.

Medical physics·2026

Same author

Evaluation of a super-resolution deep learning reconstruction algorithm in abdominal CT imaging-A qualitative and quantitative performance analysis.

Journal of applied clinical medical physics·2026

Same author

Safety and Efficacy of Histotripsy Treatments Near Implanted Metallic Fiducials and Endovascular Coils in Phantoms and in an In Vivo Swine Model.

Ultrasound in medicine & biology·2026

Same author

Toward protocol simplification: Deep learning-based image synthesis in three-phase CT urography.

Computers in biology and medicine·2026

Search research articles

Related Experiment Video

Updated: Jul 9, 2025

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Published on: May 4, 2022

CT Navigation for Percutaneous Needle Placement: How I Do It.

Anna M Sorensen¹, Annie M Zlevor¹, Meridith A Kisting¹

¹Departments of Radiology, University of Wisconsin, Madison, WI.

Techniques in Vascular and Interventional Radiology

|December 9, 2023

Summary

This summary is machine-generated.

CT navigation (CTN) enhances needle placement by displaying real-time needle position on CT scans. This technology offers advantages like reduced radiation and improved guidance, though accuracy can be affected by patient or needle movement.

Keywords:

CT Interventions CT Navigation CT biopsy Needle guidance

More Related Videos

Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules

Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules

Published on: May 23, 2015

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

Related Experiment Videos

Last Updated: Jul 9, 2025

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Published on: May 4, 2022

Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules

Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules

Published on: May 23, 2015

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses

Published on: March 30, 2015

Area of Science:

Medical Imaging
Interventional Radiology
Image-Guided Therapy

Background:

Conventional CT and CT-fluoroscopic guidance have limitations for precise needle placement.
CT navigation (CTN) integrates real-time tracking with diagnostic CT datasets.
Existing methods lack real-time visualization of needle trajectory during procedures.

Approach:

CTN systems utilize electromagnetic or optical sensors on the patient and needle.
Fiducials are employed to superimpose known needle locations onto CT datasets.
Real-time needle position is displayed superimposed on a contemporaneous CT scan.

Key Points:

CTN provides real-time needle tracking in the patient's treatment position.
Advantages include reduced physician radiation exposure and fewer helical scans.
Facilitates procedures outside the gantry plane with diagnostic-quality guidance.

Conclusions:

CTN offers significant advancements over historical CT needle guidance methods.
Potential inaccuracies arise from virtual needle display, needle bending, fiducial shifts, or patient motion.
This review details CTN technologies and practical integration into clinical workflows.