| Intraductal Papilloma
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Etiology
• Unknown
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Pathogenesis
• Unknown.,
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Epidemiology
• Responsible for up to 1/2 of abnormal nipple discharge
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General Gross Description
• Usually in major nipple duct, close to nipple
• Usually < 1 cm. in size
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General Microscopic Description
• Multiple papillae with fibrovascular cores
• Cells overlying papillae resemble normal duct epithelial cells
• Myoepithelial cells also present
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Clinical Correlation
• Bloody nipple discharge or small subareolar mass
• Will recur if duct system not excised
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References
• Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th edition. Philadelphia, W.B. Saunders, 1994, p. 1099
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| Intraductal Papilloma
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| Synopsis by: Melinda Sanders M.D. (T04000M85030)[324]
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