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A 65-year-old man with abnormal CXR. Bronchoscopic finding, left lower lobe, posterobasal segment. Luminal narrowing with mucosal nodularity. Bronchoscopic biopsy: Cellular blue tumor with extensive necrosis. Necrosis. Small cell carcinoma.
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Bronchoscopicfinding, left lower lobe, posterobasal segment Luminal narrowing with mucosal nodularity
Bronchoscopic biopsy: Cellular blue tumor with extensive necrosis Necrosis
Small cell carcinoma • Round, oval and spindle-shaped small tumor cells with scant cytoplasm • Ill-defined cell borders • Finely granular nuclear chromatin • Absent or inconspicuous nucleoli • Prominent nuclear molding • Extensive necrosis • High mitotic count