Clinical Study

Influenza A/H1N1 Severe Pneumonia: Novel Morphocytological Findings in Bronchoalveolar Lavage

Figure 1

Specimen from bronchoalveolar lavage displays some macrophages, neutrophilic granulocytes, and large plasmoblastic/plasmocytoid-like elements (arrow) with basophilic cytoplasm and paranuclear vacuole (May Grunwald Giemsa, magnification ×400).