BENIGN BREAST PATHOLOGY:

PAPILLOMAS

The human breast has many types of benign epithelial lesions. These are examples of benign papillomas that are not associated with a risk for breast cancer. However, the G.E.M. frequently develops papillary malignancies.

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Slide 46. This subgross slice shows the lumen of a major duct that is plugged with a cellular DUCT PAPILLOMA. Photographed at 6.3x magnification. 
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Slide 47. The corresponding histologic slide shows an arborescent structure protruding into the lumen. Photographed at 6.3x magnification. 
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Slide 48. At higher magnification the papillary fronds are seen, lined by an orderly epithelium. Photographed at 63x magnification. 
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Slide 49. The subgross slice shows a mass protruding into the major duct. Photographed at 6.3x magnification. 
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Slide 50. The histologic slide of the duct papilloma shows an intricate finger-like pattern. Photographed at 6.3x magnification. 
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Slide 51. At higher magnification the arrow points to the vascular stroma within a single frond. Photographed at 63x magnification. 

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