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Related Concept Videos

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli
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Nanoparticles as computed tomography contrast agents: current status and future perspectives.

Malka Shilo1, Tobi Reuveni, Menachem Motiei

  • 1School of Engineering and the Institute of Nanotechnology & Advanced Materials, Bar Ilan University, Ramat Gan, 52900, Israel.

Nanomedicine (London, England)
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Nanoparticles are advancing computed tomography (CT) imaging as next-generation contrast agents. These novel agents offer improved diagnostic capabilities with enhanced circulation and targeting over conventional methods.

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Area of Science:

  • Biomedical Imaging
  • Radiology
  • Nanotechnology

Background:

  • Computed Tomography (CT) is a key diagnostic tool in radiology.
  • Conventional CT contrast agents have limitations.
  • Nanoparticles offer potential advantages for CT imaging.

Purpose of the Study:

  • To describe the design principles of nanoparticle-based CT contrast agents.
  • To review current developments and applications of these agents.
  • To highlight their role in medical diagnostics.

Main Methods:

  • Review of nanoparticle design principles for CT contrast.
  • Analysis of state-of-the-art developments.
  • Examination of clinical applications.

Main Results:

  • Nanoparticles offer prolonged circulation and targeted delivery.
  • Blood pool, passive, and active targeting agents are discussed.
  • Potential for enhanced diagnostic accuracy and specificity.

Conclusions:

  • Nanoparticle-based CT contrast agents represent a significant advancement.
  • They promise improved performance over traditional agents.
  • Key to the future of medical diagnostics and targeted therapies.