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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. - PowerPoint PPT Presentation
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A 65-year-old man with abnormal CXR
Bronchoscopic finding, left lower lobe, posterobasal segment
Luminal narrowing with mucosal nodularity
© Joungho Han, Copyrighted material
Bronchoscopic biopsy: Cellular blue tumor with extensive necrosis
Necrosis
© Joungho Han, Copyrighted material
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
© Joungho Han, Copyrighted material
© Joungho Han, Copyrighted material
© Joungho Han, Copyrighted material
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