65 years female with upper and outer quadrant left breast mass, painless HPE images for your opinion



-Vaguely circumscribed delicate fibrovascular stroma in arborizing pattern - solid/ papillary foci filled by proliferation of ductal cells - cells with good amount of cytoplasm and papillary forms at periphery - solid pattern with underlying fibrovascular network - focal apocrine changes D/D- 1.Invasive papillary carcinoma 2. In situ carcinoma Papillary DCIS However, Clinical correlation and IHC for needful.

Yes you are correct, I am adding one more point-3,7,8,9 images show cribriform patten and predominantly papillary areas seen. Invasive carcinoma of breast with papillary and cribriform features. Needs IHC. Note: Grossly 4x3x2.5 cm fibrofatty tissue on cut section grey white lesion seen.

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