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Related Concept Videos

Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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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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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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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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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...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Updated: Feb 17, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
10:28

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Interventional radiology.

S Wallace

    Cancer
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Radiologists now use advanced imaging and minimally invasive techniques for precise cancer diagnosis and treatment. These methods improve biopsy reliability and enable targeted therapies like arterial occlusion to manage tumors effectively.

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    Area of Science:

    • Interventional Radiology
    • Oncology
    • Diagnostic Imaging

    Background:

    • Radiology's role in cancer management has evolved with technological advancements.
    • Minimally invasive techniques complement traditional diagnostic and therapeutic approaches.

    Purpose of the Study:

    • To explore the expanded capabilities of interventional radiology in diagnosing and managing neoplastic diseases.
    • To highlight the safety and efficacy of percutaneous biopsies and intravascular therapies.

    Main Methods:

    • Image intensification for direct visualization of target areas.
    • Percutaneous puncture and angiography for minimally invasive procedures.
    • Intravascular therapies, including arterial occlusion, for tumor management.

    Main Results:

    • Enhanced diagnostic accuracy and reliability of percutaneous biopsies from various organs (lungs, skeleton, liver, etc.).
    • Effective control of hemorrhage, reduction of tumor mass, and facilitation of surgical removal through arterial occlusion.
    • Potential for inducing an immune response against ischemic neoplasms.

    Conclusions:

    • Interventional radiology significantly broadens the scope of care for patients with cancer.
    • Percutaneous techniques offer safer and more reliable biopsy options.
    • Arterial occlusion is a valuable tool for multimodal cancer treatment, with potential immunomodulatory effects.