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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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Computed Tomography (CT) scan:
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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 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.
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Imaging Studies IV: Magnetic Resonance Imaging01:27

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

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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Related Experiment Video

Updated: Apr 8, 2026

Clinical Imaging of Microwave Mammography
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Patients' Perceptions of Radiation Exposure Associated With Mammography.

Jacqueline Hollada1, William Speier1,2, Thomas Oshiro1

  • 11 Department of Radiology, UCLA David Geffen School of Medicine, 10945 LeConte Ave, Peter V. Ueberroth Bldg, Ste 3371, Los Angeles, CA 90095.

AJR. American Journal of Roentgenology
|June 24, 2015
PubMed
Summary

Many women overestimate mammogram radiation risks. Accurate information on low-dose mammography is crucial for informed breast cancer screening decisions.

Keywords:
breast imagingmammographypatient educationpatient perceptionsradiation

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Area of Science:

  • Medical Imaging
  • Radiology
  • Public Health

Background:

  • Public concern exists regarding ionizing radiation in breast imaging.
  • Misinformation about mammography radiation risks may lead to screening avoidance.

Purpose of the Study:

  • To assess patient knowledge and opinions on ionizing radiation, specifically in mammography.
  • To identify common misunderstandings influencing mammogram screening decisions.

Main Methods:

  • A 25-point questionnaire was administered to 1725 patients undergoing mammography.
  • The questionnaire assessed knowledge of radiation doses and opinions on radiation in healthcare.

Main Results:

  • 65% of women reported being informed about mammogram risks and benefits.
  • However, 60% of women overestimated the radiation dose associated with mammography.

Conclusions:

  • Accurate patient education on mammography's low radiation dose is essential.
  • Providing objective facts empowers women to make informed screening choices.