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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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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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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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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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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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Area of Science:

  • Cardiovascular Imaging
  • Molecular Imaging
  • Biomedical Engineering

Background:

  • Medical imaging, particularly computed tomography (CT), has advanced significantly.
  • CT is now a primary tool for assessing cardiovascular disease, offering diagnostic and prognostic insights.
  • Vascular inflammation, a hallmark of atherosclerosis, alters perivascular adipose tissue (PVAT).

Purpose of the Study:

  • To review the current applications of cardiac CT in imaging vascular inflammation.
  • To discuss the role of PVAT phenotyping in understanding atherosclerosis.
  • To highlight the bidirectional relationship between PVAT and the vascular wall.

Main Methods:

  • Review of current literature on cardiac CT and vascular inflammation.
  • Analysis of studies focusing on perivascular adipose tissue (PVAT) characteristics.
  • Discussion of molecular, transcriptional, and structural changes in PVAT.

Main Results:

  • Cardiac CT is effective in visualizing vascular inflammation through PVAT changes.
  • PVAT secretome, including adipokines and miRNAs, influences vascular biology.
  • Phenotyping PVAT provides insights into atherosclerotic processes.

Conclusions:

  • Cardiac CT is a valuable tool for assessing vascular inflammation via PVAT phenotyping.
  • Understanding PVAT's role is crucial for cardiovascular disease management.
  • Further research can enhance CT's potential in molecular imaging of vascular inflammation.