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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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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...
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Imaging Studies VII: Vascular Imaging01:19

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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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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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Related Experiment Video

Updated: Sep 11, 2025

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
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Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

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Radioembolization: Technical Tips and Follow-Up Imaging.

Hyo-Cheol Kim

    Journal of the Korean Society of Radiology
    |August 11, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Transarterial radioembolization (TARE) offers a targeted radiation therapy for liver cancer (HCC). This minimally invasive procedure uses radioactive microspheres, improving patient survival and quality of life.

    Keywords:
    BrachytherapyFollow-Up StudiesHepatocellular CarcinomaRadioembolizationTechnical Tips

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    Treatment of Liver Metastases Using an Internal Target Volume Method for Stereotactic Body Radiotherapy
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    Area of Science:

    • Interventional Radiology
    • Oncology
    • Nuclear Medicine

    Background:

    • Hepatocellular carcinoma (HCC) is a primary liver cancer with limited treatment options.
    • Transarterial radioembolization (TARE) is an emerging minimally invasive treatment for HCC.

    Purpose of the Study:

    • To describe the technical aspects and outcomes of TARE for HCC.
    • To highlight the importance of post-procedure imaging in evaluating treatment response and complications.

    Main Methods:

    • Selective catheterization of the hepatic artery.
    • Infusion of yttrium-90-labeled radioactive microspheres directly into the tumor's blood supply.
    • Post-procedure imaging (CT/MRI) for response assessment and complication identification.

    Main Results:

    • TARE enables precise radiation delivery, minimizing healthy tissue exposure.
    • Imaging can show tumor response (e.g., reduced size, vascularity, increased necrosis).
    • Radioembolization can cause parenchymal changes that mimic recurrence, requiring careful interpretation.

    Conclusions:

    • TARE is a valuable option for HCC management, improving survival and quality of life.
    • Careful interpretation of follow-up imaging is crucial to distinguish treatment effects from recurrence and manage complications.