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Cytopathology Conference 10/20/05 - Case 4
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Cytopathology Conference
10/20/2005
Case 4
54-year-old female with multiple lung nodules
Differential Diagnosis
• Carcinoma ex pleomorphic adenoma
• Adenoid cystic carcinoma
• Pleomorphic adenoma
Diagnosis?
Adenoid Cystic Carcinoma
• Most common malignant salivary gland tumor
• Can occur as a primary in the lung and arises in the trachea and main bronchi
• Two types:– Nodular: polypoid projection into lumen– Subepithelial: along long axis of bronchus
Adenoid Cystic Carcinoma
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