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Pleural thickening in a construction worker: it is not always mesothelioma

M D Saboerali1, M G J Koolen, L A Noorduyn

  • 1Department of Respiratory Medicine, Academic Medical Centre, Amsterdam, the Netherlands.

The Netherlands Journal of Medicine
|March 21, 2006
PubMed

Insights

Erdheim-Chester disease is a rare condition causing multisystem foamy histiocyte infiltration. This case highlights the diagnostic challenges, with a definitive diagnosis only achieved post-mortem.

Area of Science:

  • Cardiovascular Medicine
  • Oncology
  • Pathology

Background:

  • Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis characterized by systemic infiltration of foamy histiocytes.
  • ECD typically affects adults and can involve multiple organs, leading to diverse clinical manifestations.
  • Diagnosis can be challenging due to its rarity and nonspecific symptoms, often requiring advanced imaging and biopsy.

Observation:

  • A 45-year-old male presented with progressive chest pain and bilateral pleural effusions over three years.
  • The patient developed pericardial effusion and significant respiratory insufficiency.
  • Despite extensive diagnostic workup, including imaging and laboratory tests, a definitive diagnosis remained elusive during life.

Findings:

  • Autopsy revealed multisystem infiltration by foamy histiocytes, consistent with Erdheim-Chester disease.
  • The autopsy findings confirmed ECD as the underlying cause of the patient's progressive symptoms and eventual death.
  • Histopathological examination of affected tissues was crucial for identifying the characteristic foamy histiocytes.

Implications:

  • This case underscores the importance of considering rare conditions like ECD in the differential diagnosis of unexplained multisystemic diseases.
  • Delayed diagnosis in ECD can lead to significant morbidity and mortality, emphasizing the need for increased awareness among clinicians.
  • Further research into early diagnostic markers and effective therapeutic strategies for Erdheim-Chester disease is warranted.

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