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Related Concept Videos

Computed Tomography01:10

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.
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...
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X-ray Imaging01:24

X-ray Imaging

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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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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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...
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Positron Emission Tomography01:29

Positron Emission Tomography

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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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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Related Experiment Video

Updated: Jul 23, 2025

Author Spotlight: Integrating High-Resolution Intravital Imaging and MRI to Enhance Stereotactic Body Radiation Therapy Planning
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Evolution from Medical Imaging to Visualized Medicine.

Yu Shi1, Zhe Liu2

  • 1Academy of Medical Engineering and Translational Medicine, Tianjin Key Laboratory of Brain Science and Neural Engineering, Tianjin University, Tianjin, China.

Advances in Experimental Medicine and Biology
|July 17, 2023
PubMed
Summary

Medical imaging has evolved over 100 years from X-rays to visualized medicine, enhancing disease diagnosis and treatment. This progression utilizes advanced technologies for precision medicine and image-guided therapies.

Keywords:
Artificial intelligenceMolecular imagingTraditional medical imagingVisualized medicine

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Area of Science:

  • Radiology and Medical Imaging
  • Molecular Biology and Bio-engineering
  • Precision Medicine

Background:

  • X-ray discovery in 1895 initiated radiology and medical imaging.
  • Molecular imaging emerged in the late 1990s, driving precision medicine.
  • Medical imaging is crucial for disease detection, diagnosis, and treatment planning.

Purpose of the Study:

  • To elucidate the history and milestones of medical imaging evolution.
  • To discuss the transition from traditional imaging to visualized medicine.
  • To highlight advances in visualized medicine and its applications, including COVID-19.

Main Methods:

  • Historical review of medical imaging development.
  • Analysis of the impact of molecular biology and advanced technologies.
  • Case study of visualized medicine applications in disease treatment.

Main Results:

  • Medical imaging has advanced significantly over a century.
  • Visualized medicine integrates intelligent technologies for novel diagnostics and therapeutics.
  • Applications in areas like cancer, cardiocerebrovascular diseases, and COVID-19 demonstrate impact.

Conclusions:

  • Visualized medicine represents a paradigm shift in modern healthcare.
  • Advanced technologies are revolutionizing diagnostic and therapeutic approaches.
  • Future perspectives point towards further integration of visualized medicine in clinical practice.