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Related Concept Videos

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...
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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...
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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...
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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.
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Non-invasive Parenchymal, Vascular and Metabolic High-frequency Ultrasound and Photoacoustic Rat Deep Brain Imaging
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[The human ear anatomical structure imaging based on x-ray phase-contrast].

Shi Hongli1, Wang Jie, Luo Shuqian

  • 1School of Biomedical Engineering ,Capital Medical University, Beijing, 100069.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation
|March 3, 2011
PubMed
Summary

This study demonstrates efficient ear anatomic structure imaging using X-Ray Phase-Contrast CT. The proposed method effectively visualizes complex ear anatomy for potential diagnostic applications.

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X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
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Area of Science:

  • Medical Imaging
  • Radiology
  • Biomedical Engineering

Background:

  • Accurate imaging of ear anatomy is crucial for diagnosis and treatment.
  • Traditional imaging methods may have limitations in visualizing fine details of the ear.

Purpose of the Study:

  • To implement and evaluate an imaging technique for ear anatomic structures.
  • To assess the efficacy of X-Ray Phase-Contrast CT for high-resolution ear imaging.

Main Methods:

  • Utilized X-Ray Phase-Contrast Computed Tomography (CT) for imaging.
  • Developed and applied a specific imaging protocol for ear anatomy.

Main Results:

  • Successfully implemented imaging of ear anatomic structures.
  • Experimental results confirmed the efficiency of the X-Ray Phase-Contrast CT scheme.

Conclusions:

  • X-Ray Phase-Contrast CT is an effective method for ear anatomic structure imaging.
  • The proposed scheme shows promise for improved visualization in otological applications.