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Radiographic identification of ingested disc batteries.

M D Maves, T V Lloyd, J S Carithers

    Pediatric Radiology
    |January 1, 1986
    PubMed
    Summary
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    Accidental ingestion of disc batteries poses serious esophageal burn risks. Radiologists can identify these dangerous foreign bodies on X-rays by recognizing specific double density and step-off signs.

    Area of Science:

    • Radiology
    • Gastroenterology
    • Pediatrics

    Background:

    • Accidental ingestion of disc batteries is a growing concern, leading to severe esophageal injury.
    • The caustic nature of leaking battery contents (sodium or potassium hydroxide) causes rapid tissue damage.

    Observation:

    • Disc batteries lodged in the esophagus present unique radiographic findings.
    • Anterior projections reveal a double density shadow due to the battery's bilaminar structure.
    • Lateral views show rounded edges and a distinct step-off at the cathode-anode junction.

    Findings:

    • Radiographic signs aid in differentiating disc batteries from other esophageal foreign bodies, such as coins.
    • The double density and step-off are key identifiers distinguishing batteries from coins, which lack these features.

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    Implications:

    • Accurate and rapid radiographic identification of esophageal disc batteries is crucial for timely medical intervention.
    • Recognizing these signs can prevent significant morbidity and mortality associated with esophageal burns.