What is the prognosis of eosinophilic granuloma (histiocytosis X)?

Updated: Mar 29, 2018
  • Author: Eleanor M Summerhill, MD, FACP, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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The prognosis for pulmonary Langerhans cell histiocytosis X (PLCH) varies and is related to smoking cessation. Most patients who continue to smoke experience disease progression, but for those who successfully quit smoking, the disease often stabilizes or regresses.

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