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Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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...
Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...
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,...
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,...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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...
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...

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Related Experiment Video

Updated: Jun 22, 2026

An Experimental and Finite Element Protocol to Investigate the Transport of Neutral and Charged Solutes across Articular Cartilage
07:57

An Experimental and Finite Element Protocol to Investigate the Transport of Neutral and Charged Solutes across Articular Cartilage

Published on: April 23, 2017

Facilitating cartilage volume measurement using MRI.

Adel Maataoui1, Jessen Gurung, Hanns Ackermann

  • 1Institute for Diagnostic and Interventional Radiology, Johann Wolfgang Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany. adel.maataoui@gmx.de

European Journal of Radiology
|June 2, 2009
PubMed
Summary
This summary is machine-generated.

Quantitative cartilage volume measurement (CVM) is as accurate with 5mm slices as with 1.5mm slices. This MRI technique can save up to 70% of calculation time, improving efficiency in cartilage assessment.

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A Probing Device for Quantitatively Measuring the Mechanical Properties of Soft Tissues during Arthroscopy
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Related Experiment Videos

Last Updated: Jun 22, 2026

An Experimental and Finite Element Protocol to Investigate the Transport of Neutral and Charged Solutes across Articular Cartilage
07:57

An Experimental and Finite Element Protocol to Investigate the Transport of Neutral and Charged Solutes across Articular Cartilage

Published on: April 23, 2017

A Probing Device for Quantitatively Measuring the Mechanical Properties of Soft Tissues during Arthroscopy
06:16

A Probing Device for Quantitatively Measuring the Mechanical Properties of Soft Tissues during Arthroscopy

Published on: May 1, 2020

Area of Science:

  • Radiology
  • Medical Imaging
  • Orthopedics

Background:

  • Accurate cartilage volume measurement (CVM) is crucial for assessing joint health and disease progression.
  • Optimizing MRI protocols for CVM can enhance diagnostic efficiency and patient throughput.

Purpose of the Study:

  • To compare the accuracy and time-effectiveness of quantitative cartilage volume measurement (CVM) using different MRI slice thicknesses.

Main Methods:

  • Ten knees underwent 1.5T MRI using a 3D gradient echo sequence.
  • Cartilage volume of the tibial plateau was measured by two readers using 1.5mm, 3.0mm, and 5.0mm slices.
  • Accuracy and calculation time were evaluated as control parameters.

Main Results:

  • No statistically significant differences in cartilage volume measurements were found across slice thicknesses (p>0.05).
  • Calculation time significantly decreased with increasing slice thickness, with up to 70% time saving for 5mm slices compared to 1.5mm slices.
  • Very good inter-reader correlation was observed for all slice thicknesses.

Conclusions:

  • Quantitative cartilage volume measurement (CVM) using 1.5mm slices offers no significant accuracy advantage over measurements using 5mm slices.
  • Utilizing thicker slices (e.g., 5mm) in MRI protocols for CVM can lead to substantial time savings without compromising measurement accuracy.