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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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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Imaging Studies III: Computed Tomography

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Asthma III: Clinical Manifestations01:13

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Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
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Related Experiment Video

Updated: May 23, 2026

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
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High resolution computed tomography in asthma.

Mousa Khadadah, , Abdulaziz Muquim

    Oman Medical Journal
    |April 13, 2012
    PubMed
    Summary
    This summary is machine-generated.

    High-resolution computed tomography (HRCT) reveals common structural abnormalities in asthma patients. However, air trapping detected by HRCT did not correlate with asthma severity or duration.

    Keywords:
    Air trappingAsthmaBronchiectasisComputed tomographyHRCTPulmonary function

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    Area of Science:

    • Pulmonology
    • Radiology
    • Medical Imaging

    Background:

    • Asthma is a chronic respiratory disease characterized by airway inflammation and structural changes.
    • High-resolution computed tomography (HRCT) is a valuable imaging technique for visualizing airway abnormalities.

    Purpose of the Study:

    • To investigate the prevalence of structural abnormalities in stable asthma patients using HRCT.
    • To correlate HRCT findings, particularly air trapping, with clinical parameters and pulmonary function test (PFT) results.

    Main Methods:

    • A cohort of stable asthma patients underwent HRCT and PFT.
    • HRCT scans were analyzed for structural abnormalities like bronchial wall thickening, bronchiectasis, mucoid impaction, mosaic attenuation, air trapping, and atelectasis.
    • Air trapping was quantified and correlated with FEV1, FEF 25-75, disease duration, and symptom severity.

    Main Results:

    • Bronchial wall thickening and bronchiectasis were more prevalent in males.
    • Air trapping was observed in a high percentage of patients (78.6%).
    • No significant correlation was found between air trapping and FEV1, FEF 25-75, disease duration, or symptom severity.

    Conclusions:

    • HRCT demonstrates frequent structural abnormalities in asthma.
    • Air trapping, despite its prevalence, is not associated with disease duration, severity, or FEV1 in this cohort.