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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

78
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
78

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Related Experiment Video

Updated: May 23, 2025

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery
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Preoperative computed tomography-guided soft hook-wire localization for multiple pulmonary nodules.

Guang-Chao Li1, Zheng-Long Wu2, Yi-Bing Shi2

  • 1Department of Radiology, Shanghai Sixth People's Hospital, Shanghai, China.

Frontiers in Oncology
|March 10, 2025
PubMed
Summary

Computed tomography (CT)-guided soft hook-wire (SHW) localization is effective for multiple pulmonary nodules (PNs). This method safely guides single-stage video-assisted thoracoscopic surgery (VATS) for resecting multiple PNs simultaneously.

Keywords:
hook-wirelocalizationmultiplepulmonary nodulesoft

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Area of Science:

  • Medical Imaging and Interventional Radiology
  • Thoracic Surgery
  • Pulmonary Medicine

Background:

  • Pulmonary nodules (PNs) require accurate localization for effective resection.
  • Previous studies focused on single PN localization; multiple PN localization remains less explored.
  • CT-guided soft hook-wire (SHW) placement is an established technique for PN localization.

Purpose of the Study:

  • To evaluate the efficacy and safety of CT-guided SHW localization for multiple PNs.
  • To assess the feasibility of simultaneous localization for subsequent surgical resection.
  • To compare outcomes between multiple PN and single PN localization procedures.

Main Methods:

  • Retrospective analysis of 43 patients with multiple PNs undergoing CT-guided SHW localization and VATS.
  • Comparison with a control group of 140 patients with single PNs.
  • Evaluation of technical success, procedure duration, pneumothorax, and lung hemorrhage rates.

Main Results:

  • Technical success rates were high in both groups (98.9% for multiple PNs, 100% for single PN).
  • Localization duration was significantly longer for multiple PNs (P = 0.001).
  • Higher pneumothorax rates observed in the multiple PN group (32.5% vs. 15.7%, P = 0.015).

Conclusions:

  • CT-guided SHW localization is a safe and effective strategy for multiple PNs.
  • Simultaneous localization facilitates single-stage VATS resection of multiple PNs.
  • The technique provides reliable guidance for complex thoracic interventions.