General and Systemic Histopathology, C601&C602
    Slide 73: Fibrocystic disease of the breast
    This has got to be the most common condition of the breast leading to biopsy.  It can present as a painless mass which is a very worrisome finding.  Note the dilated ducts, fibrosis and ductal proliferation in this slide.  Even without magnification you can see the smaller ducts, some of which are obviously dilated and contain inspissated material.

    See this slide with the virtual microscope.

    The name says it all with this disease. You should see fibrosis in the breast parenchyma with cystic dilation of the ducts. There will be ductal proliferation in many cases, a feature which is very evident in your sample. You may also see a chronic inflammatory infiltrate in the periductal areas. No changes of malignancy are present in this slide.

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