@entity3821 ( @entity3821 ) in the mammary glands consists of a proliferation of ductal luminal cells with preserved polarity but lacking the marked intercellular cohesion of @entity5072 cells. We report two cases of @entity3821 arising in the apocrine glandular structures of a @entity9720 ( @entity9720 ). The first @entity1 was a 44-year-old @entity1 with a ductal @entity5 composed of multi-layered ductal elements with a monomorphous cellularity and a polar orientation of nuclei. The neoplastic cells were positive for Cm5.2 and @entity5822 . The second @entity1 was a 67-year-old @entity1 with @entity57644 . A skin biopsy of an @entity527 within her @entity9720 showed an epithelioid monomorphous @entity5 with eosinophilic and slightly granular cytoplasm. Slight nuclear pleomorphism with some hyperchromatic nuclei was seen. The @entity5 cells were positive for @entity5822 and @entity4552 . Actin showed a preserved layer of myoepithelial cells in both cases. Our cases are noteworthy, as @entity5 or @entity5 arising in @entity9720 are rare, and the presence of multiple @entity5 in @entity57644 is even rarer. Moreover, these @entity5 expand the spectrum of secondary @entity5 arising in @entity9720 , as they closely resemble mammary @entity3821 .

@entity3821 in situ in XXXX : Two case reports.

@entity1 :: ('9606', 'Species') :: ['woman', 'patient'] @entity3821 :: ('MESH:D002285', 'Disease') :: ['Ductal carcinoma in situ', 'DCIS'] @entity527 :: ('MESH:D058225', 'Disease') :: ['erythematous plaque'] @entity5 :: ('MESH:D009369', 'Disease') :: ['tumor', 'malignant neoplasms', 'tumors', 'multiple tumors', 'secondary malignancies', 'neoplasm', 'neoplasms'] @entity5072 :: ('MESH:D000796', 'Disease') :: ['hyperplastic'] @entity57644 :: ('MESH:C537893', 'Disease') :: ['phacomatosis pigmentokeratotica'] @entity9720 :: ('MESH:D054000', 'Disease') :: ['nevus sebaceus', 'NS'] @entity4552 :: ('5304', 'Gene') :: ['GCDFP-15'] @entity5822 :: ('3855', 'Gene') :: ['CK7']
@entity9720 :: (MESH:D054000,Disease) :: ['nevus sebaceus']
