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Related Experiment Videos

Lead toxicity masquerading as sickle cell crisis.

M S Nelson, J J Chisolm

    Annals of Emergency Medicine
    |June 1, 1986
    PubMed
    Summary

    A child with sickle cell disease experienced unexplained neurological symptoms. Bone imaging revealed lead poisoning, highlighting the need to consider environmental toxins in sickle cell crisis diagnoses.

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    Area of Science:

    • Pediatrics
    • Hematology
    • Toxicology

    Background:

    • Sickle cell disease (SCD) patients frequently present with vasoocclusive crises, often manifesting as abdominal pain.
    • Acute encephalopathy in SCD can be challenging to diagnose, with various potential etiologies.
    • This case highlights a diagnostic dilemma in a pediatric SCD patient.

    Observation:

    • A 12-year-old male with known sickle cell disease presented with recurrent abdominal pain, initially attributed to vasoocclusive crises.
    • The patient later developed a seizure and obtundation, indicating acute encephalopathy.
    • Initial investigations for the encephalopathy were inconclusive.

    Findings:

    • Radiographic examination of the knees revealed characteristic "lead lines" on bone films.
    • These findings indicated plumbism (lead poisoning) as the underlying cause of the patient's neurological symptoms.
    • The patient's condition improved significantly after treatment for lead poisoning.

    Implications:

    • This case underscores the critical importance of considering environmental toxic exposures, such as lead poisoning, in the differential diagnosis of acute neurological presentations in sickle cell disease patients.
    • It emphasizes that seemingly typical sickle cell crises may mask other serious underlying conditions.
    • Broadening the diagnostic scope beyond SCD-specific complications is essential for effective patient management and improved outcomes.

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