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  Indian J Med Microbiol
 

Figure 2: (a) Section show breast tissue with ductal expansion with monotonous ductal epithelial cells proliferation, involving at least three ducts, and gynecomastia with epithelial intraductal hyperplasia and proliferation of periductal collangenous connective tissue (×40). (b) Monotonous cells proliferation form cribriform and papillary structures in which moderate pleomorphism and mild cellular atypia are noted (×100). (c) Close up shows moderate pleomorphism and mild cellular atypia (×400). (d) The myoepithelial stain (p63) reveals nearly total loss in the proliferation. However, the outer rim of myoepithelial cells is preserved. A diagnosis of ductal carcinoma in situ is confirmed (×100). (e) ER stain reveals 95% staining (×100)

Figure 2: (a) Section show breast tissue with ductal expansion with monotonous ductal epithelial cells proliferation, involving at least three ducts, and gynecomastia with epithelial intraductal hyperplasia and proliferation of periductal collangenous connective tissue (×40). (b) Monotonous cells proliferation form cribriform and papillary structures in which moderate pleomorphism and mild cellular atypia are noted (×100). (c) Close up shows moderate pleomorphism and mild cellular atypia (×400). (d) The myoepithelial stain (p63) reveals nearly total loss in the proliferation. However, the outer rim of myoepithelial cells is preserved. A diagnosis of ductal carcinoma <i>in situ</i> is confirmed (×100). (e) ER stain reveals 95% staining (×100)