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Related Concept Videos

Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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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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Computed Tomography (CT) scan:
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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...
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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Computed Tomography01:10

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Ultrasonography01:17

Ultrasonography

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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.
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Related Experiment Video

Updated: Jun 27, 2025

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
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[Imaging in temporomandibular joint disorders].

R Pollard

    Nederlands Tijdschrift Voor Tandheelkunde
    |May 8, 2024
    PubMed
    Summary

    Imaging techniques like CBCT and MRI aid in diagnosing temporomandibular joint (TMJ) disorders. CBCT excels at visualizing bone changes, while MRI is best for internal joint anatomy, crucial for diagnosing internal derangement.

    Area of Science:

    • Dentistry
    • Radiology
    • Medical Imaging

    Background:

    • The temporomandibular joint (TMJ) is anatomically complex.
    • TMJ disorders require accurate diagnosis for effective management.
    • Several imaging modalities exist for TMJ assessment.

    Purpose of the Study:

    • To review and compare various imaging techniques for TMJ disorders.
    • To highlight the diagnostic utility of CBCT and MRI for specific TMJ pathologies.

    Main Methods:

    • Review of conventional radiology, orthopantomography, CBCT, and MRI for TMJ imaging.
    • Discussion of the strengths of each modality in visualizing osseous and soft tissue structures.

    Main Results:

    • Cone-beam computed tomography (CBCT) effectively visualizes osseous changes in the TMJ.

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  • Magnetic resonance imaging (MRI) provides superior detail of internal TMJ anatomy.
  • MRI is preferred for diagnosing internal derangement of the TMJ.

    • Conclusions:

    • Imaging plays a critical role in the differential diagnosis of TMJ disorders.
    • CBCT and MRI offer complementary information for comprehensive TMJ evaluation.
    • The choice of imaging modality depends on the suspected pathology.