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[Toxoplasmic pneumonia with generalization (author's transl)].

L T Vinh, J P Barbet, B Mace

    La Semaine Des Hopitaux : Organe Fonde Par L'Association D'Enseignement Medical Des Hopitaux De Paris
    |April 18, 1980
    PubMed
    Summary

    This case study reports generalized toxoplasmic pneumonia in a child, highlighting the diagnostic value of bone marrow examination for rapid identification of Toxoplasma gondii. Early diagnosis is crucial for effective treatment of this severe parasitic infection.

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    Area of Science:

    • Medical Parasitology
    • Pediatric Infectious Diseases
    • Pathology

    Background:

    • Toxoplasmosis, a parasitic infection caused by *Toxoplasma gondii*, can manifest with severe systemic involvement, particularly in immunocompromised individuals or children.
    • Generalized toxoplasmosis presents diagnostic challenges due to varied clinical presentations and the need for rapid etiological confirmation.

    Observation:

    • An anatomo-clinical case of a six-year-old child with toxoplasmic pneumonia and systemic dissemination is presented.
    • Histopathological examination revealed interstitial pneumonia with *Toxoplasma* in alveolar cells and macrophages, alongside parasitic lesions in multiple organs.
    • Diagnosis was confirmed by identifying *Toxoplasma gondii* in bone marrow smears, supported by ultrastructural studies.

    Findings:

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  • The study identified *Toxoplasma gondii* proliferating within lung alveolar lining cells and macrophages, indicating severe interstitial pneumonia.
  • Widespread parasitic lesions were found across various organs, including the myocardium, muscle, liver, spleen, adrenal glands, lymph nodes, digestive tract, and bone marrow.
  • Bone marrow smear examination proved critical for rapid diagnosis, revealing abundant *Toxoplasma gondii* forms.

    • Implications:

    • This case underscores the utility of bone marrow examination for prompt diagnosis of generalized toxoplasmosis in pediatric patients.
    • Early etiological diagnosis through bone marrow analysis can significantly improve the chances of initiating effective therapeutic interventions.
    • Understanding the widespread organ involvement is crucial for managing severe *Toxoplasma gondii* infections.