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Computed Tomography

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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.
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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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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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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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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...
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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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Related Experiment Video

Updated: Jan 5, 2026

Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization
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A New Technical Mode in Mammography: Self-Compression Improves Satisfaction.

Sıla Ulus1, Özge Kovan2, Aydan Arslan1

  • 1Department of Radiology, Acıbadem Mehmet Ali Aydınlar University School of Medicine, İstanbul, Turkey.

European Journal of Breast Health
|October 18, 2019
PubMed
Summary

Patient-assisted compression (PAC) in mammography significantly improved patient experience, comfort, and reduced anxiety compared to traditional methods. This technique enhances satisfaction and may improve adherence to follow-up screenings.

Keywords:
Mammographypainpatient satisfactionself-compression

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Area of Science:

  • Radiology
  • Medical Imaging
  • Patient Experience

Background:

  • Mammography is a crucial tool for breast cancer screening.
  • Traditional mammography involves technician-performed breast compression, which can cause discomfort and anxiety for some patients.

Purpose of the Study:

  • To evaluate patient experience with a manually controlled self-compression tool for mammography.
  • To compare patient-assisted compression (PAC) with traditional technician-performed compression.

Main Methods:

  • A retrospective questionnaire survey study was conducted on 106 women who underwent mammography.
  • Patients completed a 12-item questionnaire comparing their experience with PAC to previous mammograms.

Main Results:

  • 70.8% reported a better experience with PAC.
  • 85.4% found the examination comfortable, with 75.5% finding it more comfortable than previous exams.
  • PAC significantly reduced anxiety (52.8% less anxious) and was perceived as more comfortable by 80.2% of participants.

Conclusions:

  • Patient-assisted compression (PAC) in mammography enhances patient comfort and reduces anxiety.
  • This technique shows potential to improve patient satisfaction and adherence to recommended follow-up mammograms.