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Related Concept Videos

Ultrasonography01:17

Ultrasonography

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.
During an ultrasonography procedure, a handheld device called a...
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...
X-ray Imaging01:24

X-ray Imaging

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 X-rays, and by 1900, X-ray was widely...
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...

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Related Experiment Video

Updated: May 22, 2026

Automated Joint Space Detection Improves Bone Segmentation Accuracy
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Automated Joint Space Detection Improves Bone Segmentation Accuracy

Published on: November 28, 2025

Imaging techniques in osteoarthritis.

David J Hunter1, Ali Guermazi

  • 1Department of Rheumatology, Royal North Shore Hospital and Northern Clinical School, University of Sydney, Sydney, NSW, Australia.

PM & R : the Journal of Injury, Function, and Rehabilitation
|May 29, 2012
PubMed
Summary
This summary is machine-generated.

Osteoarthritis (OA) is a common cause of disability. Current methods for tracking OA progression are better in late stages, but early detection is key for effective intervention.

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Last Updated: May 22, 2026

Automated Joint Space Detection Improves Bone Segmentation Accuracy
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Published on: September 29, 2023

Area of Science:

  • Orthopedics
  • Rheumatology
  • Radiology

Background:

  • Osteoarthritis is the most common arthritis and a leading cause of disability in older adults.
  • Current measures of osteoarthritis progression are better documented in late disease stages, hindering early intervention effectiveness.
  • Valid and responsive endpoints for clinical trials are actively being sought.

Purpose of the Study:

  • To review radiographic advancements in osteoarthritis assessment.
  • To evaluate developments in magnetic resonance imaging (MRI) for osteoarthritis.
  • To propose future research directions for osteoarthritis imaging and assessment.

Main Methods:

  • Narrative review of radiographic developments.
  • Appraisal of magnetic resonance imaging (MRI) advancements relevant to osteoarthritis.
  • Identification of potential areas for future research and development.

Main Results:

  • Radiographic methods have evolved for osteoarthritis assessment.
  • MRI offers unique insights into the relationship between imaging structure, symptoms, and disease genesis in osteoarthritis.
  • Specific areas for future development in osteoarthritis imaging are identified.

Conclusions:

  • Advancements in imaging, particularly MRI, provide new insights into osteoarthritis.
  • Further development in imaging techniques is crucial for early detection and effective intervention in osteoarthritis.
  • Future research should focus on refining imaging endpoints for better understanding and management of osteoarthritis.