Fig. 1
From: Adult Langerhans cell histiocytosis with pulmonary and colorectoanal involvement: a case report
Pathology slides of a transbronchial biopsy specimen. a Intermediate magnification (× 100) showing proliferation of Langerhans cells in the pulmonary interstitium. b High power (× 400) transbronchial biopsy specimen showing a large infiltrate of Langerhans cells