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Related Concept Videos

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...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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 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 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,...

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Updated: May 23, 2026

Automated Joint Space Detection Improves Bone Segmentation Accuracy
06:45

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Published on: November 28, 2025

[Imaging in osteoarthritis].

P Zufferey1, N Theumann

  • 1Service de rhumatologie, médecine physique et réhabilitation, Département de l'appareil locomoteur, CHUV, 1011 Lausanne. pascal.zufferey@chuv.ch

Revue Medicale Suisse
|March 30, 2012
PubMed
Summary
This summary is machine-generated.

Plain radiography is useful but limited for diagnosing osteoarthritis, showing damage rather than active disease. Modern imaging like MRI better correlates with symptoms and predicts disease progression.

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Area of Science:

  • Orthopedics
  • Radiology
  • Rheumatology

Background:

  • Plain radiography is a traditional tool for osteoarthritis (OA) diagnosis.
  • Its correlation with patient symptoms and disease progression is limited.
  • It primarily reflects cumulative joint damage.

Purpose of the Study:

  • To evaluate the role of plain radiography in osteoarthritis diagnosis.
  • To compare radiography with modern imaging techniques, particularly MRI.
  • To assess the correlation of imaging findings with OA symptoms and progression.

Main Methods:

  • Review of current literature on osteoarthritis imaging.
  • Comparison of plain radiography and Magnetic Resonance Imaging (MRI) in OA assessment.
  • Analysis of the relationship between imaging findings, symptoms, and clinical course.

Main Results:

  • Plain radiography shows poor correlation with osteoarthritis symptoms and progression.
  • Modern imaging, especially MRI, demonstrates better correlation with symptoms.
  • MRI provides superior insights into active disease processes and joint structures.
  • MRI has a better predictive value for the clinical course of osteoarthritis.

Conclusions:

  • Plain radiography remains indicated for excluding alternative diagnoses or identifying complications.
  • MRI has largely replaced radiography for studying osteoarthritis due to its ability to visualize active processes.
  • Advanced imaging offers a more comprehensive understanding of osteoarthritis's active and evolving nature.