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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Updated: May 11, 2026

Pioneering Patient-Specific Approaches for Precision Surgery Using Imaging and Virtual Reality
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Published on: April 5, 2024

Consider the perspectives: interventional radiology.

Jeffrey S Pollak1

  • 1Department of Diagnostic Radiology, Section of Vascular and Interventional Radiology, Yale University School of Medicine, New Haven, CT 06520-8042, USA. Jeffrey.Pollak@yale.edu

Journal of Clinical Gastroenterology
|May 2, 2013
PubMed
Summary
This summary is machine-generated.

Image-guided treatments like radiofrequency ablation and chemoembolization are key for hepatocellular carcinoma, offering survival benefits and improved tumor control for eligible patients.

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Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
05:31

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Published on: September 20, 2020

Area of Science:

  • Hepatobiliary Medicine
  • Interventional Radiology
  • Oncology

Background:

  • Image-guided percutaneous local and regional therapies are primary treatments for hepatocellular carcinoma (HCC).
  • Patient eligibility and survival benefits are linked to liver function, performance status, and tumor burden.
  • Radiofrequency ablation and chemoembolization are leading modalities in HCC management.

Purpose of the Study:

  • To review the efficacy and applications of image-guided local and regional treatment modalities for hepatocellular carcinoma.
  • To compare the outcomes of different interventional techniques in HCC management.
  • To discuss the role of combination therapies and future directions in HCC treatment.

Main Methods:

  • Review of current literature on image-guided percutaneous local and regional therapies for HCC.
  • Comparative analysis of radiofrequency ablation, ethanol ablation, chemoembolization, and radioembolization.
  • Evaluation of novel approaches such as drug-eluting beads and yttrium-90 microspheres.

Main Results:

  • Radiofrequency ablation demonstrates superior local tumor control and survival compared to ethanol ablation, and can be equivalent to surgical resection for select tumors with lower morbidity.
  • Transarterial chemoembolization improves survival over conservative management, with newer techniques like drug-eluting beads and radioembolization potentially reducing side effects and expanding patient eligibility.
  • The role of bland particle embolization remains debated.

Conclusions:

  • Image-guided local and regional therapies offer significant survival benefits for eligible hepatocellular carcinoma patients.
  • Radiofrequency ablation and chemoembolization are effective, with advancements improving outcomes and patient selection.
  • Combination therapies, alongside surgical and medical options, represent a personalized approach to HCC treatment.