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Related Experiment Videos

The air bronchogram: sonographic demonstration.

B Weinberg, E E Diakoumakis, E G Kass

    AJR. American Journal of Roentgenology
    |September 1, 1986
    PubMed
    Summary
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    This study describes a new ultrasound pattern for pediatric pneumonia, identifying consolidated lung with air-filled bronchi. This finding aids in diagnosing lung consolidation and pleural effusion in children.

    Area of Science:

    • Pediatric Radiology
    • Pulmonary Imaging
    • Diagnostic Ultrasound

    Background:

    • Pulmonary consolidation in children is often diagnosed using imaging techniques.
    • Ultrasound (sonography) offers a non-invasive method for evaluating lung conditions.
    • Characterizing sonographic patterns can improve diagnostic accuracy in pediatric pneumonia.

    Purpose of the Study:

    • To present a novel sonographic pattern associated with pulmonary consolidation and air-filled bronchi in pediatric patients.
    • To describe the sonographic characteristics of lung consolidation, including associated pleural effusions.
    • To evaluate the utility of sonography in a cohort of children with suspected pneumonia.

    Main Methods:

    • A descriptive study presenting a new sonographic pattern.

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  • Sonographic evaluation of 30 pediatric patients with clinical and radiographic pneumonia.
  • Classification of cases based on the presence and extent of pleural effusion.

    • Main Results:

    • A distinct sonographic pattern of hypoechoic, poorly defined, wedge-shaped consolidation with air-filled bronchi was observed.
    • Air-filled bronchi appeared as linear, high-amplitude branching echoes converging toward the lung root.
    • Posterior acoustic shadowing and reverberation artifacts were noted near proximal bronchi.
    • Twenty-eight of 30 patients were successfully sonographically examined, with cases categorized into three groups based on consolidation and pleural effusion.

    Conclusions:

    • Sonography reveals a characteristic pattern for pulmonary consolidation with air-filled bronchi in children.
    • This sonographic pattern can help differentiate types of lung consolidation and associated pleural effusions.
    • Ultrasound is a valuable tool for diagnosing and characterizing pneumonia in pediatric patients.