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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Imaging Studies IV: Magnetic Resonance Imaging01:27

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...

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Updated: Jul 5, 2026

Laparoscopic Anatomical Resection of the Right Anterior Lobe Based on the Laennec Capsule Technique
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Published on: May 2, 2025

[Diagnostic imaging before liver surgery].

Eli David Rappeport1, Peter Nørgaard Larsen

  • 1Rigshospitalet, Radiologisk Klinik og Kirurgisk Afdeling C, København Ø. rh13821@rh.regionh.dk

Ugeskrift for Laeger
|April 25, 2008
PubMed
Summary
This summary is machine-generated.

Pre-liver surgery imaging recommendations emphasize MRI or MSCT for liver metastases (LM) and hepatocellular carcinoma (HCC). PET/CT aids extra-hepatic tumor detection, while contrast-enhanced ultrasound is best for radiofrequency ablation planning.

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Last Updated: Jul 5, 2026

Laparoscopic Anatomical Resection of the Right Anterior Lobe Based on the Laennec Capsule Technique
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Published on: May 2, 2025

Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease
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Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease

Published on: March 24, 2023

Area of Science:

  • Radiology
  • Hepatobiliary Surgery
  • Oncology Imaging

Background:

  • Accurate preoperative radiological assessment is crucial for successful liver surgery.
  • Optimal imaging strategies vary depending on the suspected liver pathology and planned intervention.

Purpose of the Study:

  • To review current literature and provide evidence-based recommendations for radiological work-up before liver surgery.
  • To guide clinicians in selecting the most appropriate imaging modalities for various liver conditions.

Main Methods:

  • Review of the latest scientific literature on preoperative liver imaging.
  • Synthesis of recommendations for diagnostic imaging in liver metastases (LM), hepatocellular carcinoma (HCC), and other liver conditions.

Main Results:

  • Dedicated liver MRI with specific contrast or modern multislice computed tomography (MSCT) is recommended for LM and HCC.
  • Positron emission tomography/computed tomography (PET/CT) is highly accurate for detecting extra-hepatic tumors in colorectal cancer patients with LM.
  • Contrast-enhanced ultrasound is advised for planning percutaneous radiofrequency ablation.
  • Biopsy is generally not recommended if imaging findings for LM or HCC are typical.
  • MSCT and percutaneous transhepatic cholangiography offer precise assessment of perihilary cholangiocarcinoma resectability.

Conclusions:

  • Tailored radiological work-up improves preoperative planning for liver surgery.
  • Specific imaging modalities are recommended based on the clinical context, including tumor type and planned treatment.
  • Avoiding unnecessary biopsies in clear-cut cases of LM or HCC can streamline patient management.