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Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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...
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...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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,...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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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Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

3D T2-weighted spin echo imaging in the breast.

Catherine J Moran1, Brian A Hargreaves, Manojkumar Saranathan

  • 1Department of Radiology, Stanford University, Stanford, California, USA.

Journal of Magnetic Resonance Imaging : JMRI
|April 19, 2013
PubMed
Summary
This summary is machine-generated.

Three-dimensional (3D) T2-weighted imaging offers superior breast lesion morphology depiction compared to 2D techniques. This pilot study suggests 3D imaging may enhance breast MRI diagnostics.

Keywords:
T2-weightedbreast imagingextended echo trainhigh-resolutionspin-echothree-dimensional

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Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Breast magnetic resonance imaging (MRI) is crucial for diagnosing breast cancer.
  • T2-weighted imaging is a key component of breast MRI protocols.
  • Evaluating different dimensional techniques (2D vs. 3D) can optimize diagnostic performance.

Purpose of the Study:

  • To compare the performance of 2D and 3D T2-weighted spin echo imaging for breast MRI.
  • To assess lesion conspicuity and morphological detail provided by each technique.

Main Methods:

  • Acquisition of both 2D and 3D T2-weighted images in 25 patients undergoing breast MRI.
  • Quantitative measurement of lesion-to-fibroglandular tissue signal ratio.
  • Qualitative assessment of lesion morphology clarity by blinded radiologists.

Main Results:

  • Lesion-to-fibroglandular tissue signal ratio showed strong correlation between 2D and 3D imaging (R² = 0.93).
  • 3D T2-weighted imaging significantly improved lesion morphology depiction for all readers (P ≤ 0.03).
  • 3D imaging enhanced signal intensity depiction and alignment with dynamic contrast-enhanced (DCE) MRI findings.

Conclusions:

  • 3D T2-weighted imaging provides comparable contrast to 2D imaging.
  • 3D T2-weighted imaging offers superior visualization of breast lesion morphology.
  • Further research is warranted to establish the diagnostic impact of 3D T2-weighted imaging in breast MRI.