Pulmonary Langerhans Cell Histiocytosis
What every physician needs to know: Pulmonary Langerhans cell histiocytosis (PLCH) is a rare and typically smoking-related interstitial lung disease that is characterized by proliferation of Langerhans cells and associated nodular and cystic changes in the lung parenchyma. Classification PLCH encountered in adults should be distinguished from other forms of Langerhans cell histiocytosis, particularly those…