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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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...

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Updated: May 23, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Radiological diagnostic progress in skeletal diseases.

Giuseppe Guglielmi1, Michelangelo Nasuto, Michele La Porta

  • 1Department of Radiology, University of Foggia, Foggia, Italy.

Clinical Cases in Mineral and Bone Metabolism : the Official Journal of the Italian Society of Osteoporosis, Mineral Metabolism, and Skeletal Diseases
|March 31, 2012
PubMed
Summary

High-resolution bone imaging using computed tomography and MR imaging offers improved detail for assessing bone health. These advancements aid in evaluating osteoporosis and fracture risk, crucial for effective treatment monitoring.

Keywords:
High Resolution Computed TomographyHigh Resolution Magnetic Resonance Imagingosteoporosis

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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

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Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

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Area of Science:

  • Orthopedics
  • Radiology
  • Biomedical Engineering

Background:

  • Significant advancements in high-resolution bone imaging techniques have recently emerged.
  • Both computed tomography (CT) and magnetic resonance (MR) imaging modalities show improved image quality.

Purpose of the Study:

  • To highlight recent progress in high-resolution bone imaging.
  • To discuss the application of new imaging developments in assessing bone health and disease.

Main Methods:

  • High-resolution peripheral quantitative computed tomography (HR-pQCT) enables in vivo imaging of peripheral sites with isotropic voxel size.
  • MR imaging enhancements allow for high-spatial-resolution imaging of central body sites like the proximal femur.
  • New analysis methods provide direct estimates of biomechanical properties, bone topology, scale, and orientation.

Main Results:

  • HR-pQCT provides rapid, detailed imaging of peripheral bone.
  • Advanced MR imaging offers high-resolution visualization of central skeletal sites.
  • Novel analysis techniques yield comprehensive biomechanical and structural bone data.

Conclusions:

  • These imaging and analysis advancements are vital for noninvasive osteoporosis and fracture risk assessment.
  • The techniques offer insights into the mechanisms of bone loss.
  • They will increasingly serve as tools for evaluating treatment efficacy in bone diseases.