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Bronchiolitis obliterans organizing pneumonia associated with Evans syndrome

L Máiz1, A Muñoz, S Maldonado

  • 1Department of Pneumology, Hospital Ramón y Cajal, Madrid, Spain. lmaiz@hrc.insalud.es

Insights

This case report details a rare association between bronchiolitis obliterans organizing pneumonia (BOOP) and both insulin-dependent diabetes mellitus (IDDM) and Evans syndrome in a child. The patient experienced chronic relapses and developed restrictive lung disease despite treatment.

Area of Science:

  • Pediatric pulmonology
  • Endocrinology
  • Autoimmunology

Background:

  • Bronchiolitis obliterans organizing pneumonia (BOOP) is a rare lung disease.
  • Insulin-dependent diabetes mellitus (IDDM) and Evans syndrome (autoimmune pancytopenia) are distinct conditions.
  • The co-occurrence of BOOP with IDDM and Evans syndrome has not been previously documented.

Observation:

  • A 4-year-old child with diagnosed IDDM and Evans syndrome presented with prolonged malaise, fever, and nonproductive cough.
  • Chest radiography showed bilateral, peripheral patchy alveolar opacities and hilar/mediastinal adenopathy.
  • Open lung biopsy confirmed the diagnosis of BOOP.

Findings:

  • The patient experienced chronic relapses of BOOP over a 7-year follow-up period.
  • Corticosteroid treatment was administered but did not prevent disease recurrence.
  • The child ultimately developed restrictive lung disease.

Implications:

  • This case highlights a potential, previously unreported association between BOOP, IDDM, and Evans syndrome in pediatric patients.
  • Further research is warranted to understand the underlying mechanisms and clinical significance of this triad.
  • Recognizing this association may aid in earlier diagnosis and management of complex pediatric respiratory cases.

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