Pulmonary pathology of Erdheim-Chester disease

Walter L. Rush, Jo Ann W. Andriko, Francoise Galateau-Salle, Elizabeth Brambilla, Christian Brambilla, I. Ziany-Bey, Melissa L. Rosado-De-Christenson, William D. Travis

Research output: Contribution to journalArticlepeer-review

89 Scopus citations


Erdheim-Chester disease (ECD) is a rare non-Langerhans' cell histiocytosis that may present with pulmonary symptoms. The condition seems to be nonfamilial and typically affects middle-aged adults. Radiographic and pathologic changes in the long bones are diagnostic, but patients often present with extraskeletal manifestations. Advanced pulmonary lesions are associated with extensive fibrosis that may lead to cardiorespiratory failure. The clinical, radiologic, and pathologic features of six patients with ECD with lung involvement are presented. The patients were three men and three women (mean age, 57). Five presented with progressive dyspnea, and one presented with diabetes insipidus. Open-lung biopsies showed histiocytic infiltrates in a lymphangitic pattern with associated fibrosis and lymphoplasmacytic inflammatory infiltrates. The histiocytes did not stain with periodic acid-Schiff. Immunoperoxidase studies performed on specimens from five of six patients showed that the histiocytes were positive for CD68 and Factor XIIIa and negative for CD1a. Specimens from two patients exhibited immunoreactivity for S-100 protein. Electron microscopy studies performed on specimens from two patients showed phagocytic lysosomes but no Birbeck granules. Clinical follow-up of up to 16 years was available. At the end of that time, five patients were dead of complications related to their disease; one patient remains alive 4 years after diagnosis but with severe respiratory compromise. ECD is a rare non-Langerhans' cell histiocytosis that may present as interstitial lung disease and resemble other pulmonary conditions, particularly usual interstitial pneumonitis and pulmonary Langerhans' cell histiocytosis. Recognition of this entity will allow better assessment of its true incidence, therapeutic options, and prognosis.

Original languageEnglish (US)
Pages (from-to)747-754
Number of pages8
JournalModern Pathology
Issue number7
StatePublished - Jul 2000
Externally publishedYes


  • Erdheim-Chester disease
  • Factor XIIIa
  • Histiocytosis
  • Lung

ASJC Scopus subject areas

  • Pathology and Forensic Medicine


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