Fig. 2
From: Pulmonary Langerhans cell histiocytosis: the many faces of presentation at initial CT scan
Low-power photomicrograph (original magnification, haematoxylin and eosin stain) of lung tissue shows dense non-necrotising granulomatous infiltration. The sample demonstrates well both localisation of the lesion around a dilated terminal airway and bronchial wall destruction by the infiltrate. The inflammatory cell infiltration also shows an interstitial distribution (arrow) (courtesy of Dr. E. Bonacina)