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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 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 I: CT and MRI01:14

Imaging Studies I: CT and MRI

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.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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,...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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

Published on: December 15, 2014

Magnetic resonance imaging--guided breast interventions.

Peter R Eby1, Constance D Lehman

  • 1University of Washington Medical Center, Seattle Cancer Care Alliance, Seattle, WA 98109-1023, USA. preby@u.washington.edu

Topics in Magnetic Resonance Imaging : TMRI
|October 23, 2008
PubMed
Summary

Breast magnetic resonance imaging (MRI) offers high sensitivity for detecting breast abnormalities but moderate specificity. This review details MR-guided tissue sampling techniques, including vacuum-assisted biopsy, and emerging interventions for breast cancer management.

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Area of Science:

  • Radiology and Imaging Science
  • Oncology and Breast Cancer Research
  • Interventional Radiology

Background:

  • Breast magnetic resonance imaging (MRI) utilization is expanding for breast cancer screening, diagnosis, staging, and management.
  • MRI demonstrates high sensitivity in detecting abnormalities missed by physical exams, ultrasound, and mammography.
  • The moderate specificity of MRI necessitates histological confirmation of detected lesions.

Purpose of the Study:

  • To review peer-reviewed data and accepted methods for MR-guided tissue sampling of breast lesions.
  • To provide a detailed technique for vacuum-assisted MR-guided breast biopsy.
  • To discuss emerging MR-guided interventions, including tissue ablation for benign and malignant breast diseases.

Main Methods:

  • Comprehensive review of peer-reviewed literature on MR-guided breast interventions.
  • Detailed description of the step-by-step technique for vacuum-assisted MR-guided breast biopsy.
  • Exploration of current and emerging percutaneous and transcutaneous MR-guided procedures.

Main Results:

  • Established methods for MR-guided tissue sampling are crucial for determining the histology of MRI-detected breast lesions.
  • Vacuum-assisted biopsy is presented as a detailed, accepted technique for MR-guided sampling.
  • Emerging data supports percutaneous and transcutaneous MR-guided interventions like tissue ablation.

Conclusions:

  • MR-guided tissue sampling is essential for accurate diagnosis of MRI-detected breast abnormalities.
  • Vacuum-assisted biopsy is a key technique for MR-guided histological assessment.
  • MR-guided interventions, including ablation, represent a growing area for breast disease management.