Histopathology of Ductal Carcinoma in Situ (DCIS) of the Breast

Author(s): Geza Acs

Journal Name: Current Cancer Therapy Reviews

Volume 8 , Issue 3 , 2012

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Ductal carcinoma in situ (DCIS) is a heterogeneous entity, with a wide range of histological appearances including different architectural growth patterns, different nuclear morphology ranging from minimal to severe nuclear atypia, and the presence or absence of necrosis and calcification. Diagnostic criteria for DCIS depend on the degree of cytologic atypia, but in general include cytonuclear and architectural features, clonality of the cell population and extent of the lesion. Numerous classification systems have been proposed for DCIS in order to predict disease recurrence after surgical resection, and most systems are based primarily on nuclear grade and secondarily on cell polarization and the absence or presence of necrosis. Low grade DCIS needs to be distinguished from usual hyperplasia and atypical ductal hyperplasia (ADH). The main criteria for distinguishing usual hyperplasia from neoplasia (ADH and DCIS) are based on the identification of a clonal cell process, histologically recognized by the uniformity of cytonuclear features and immunophenotype. Distinction of low grade DCIS from ADH is mainly based on the extent of the lesion. Differentiation of DCIS from in situ lobular neoplasia may pose difficulties, however, it is important because of its therapeutic implications. Cancerization of lobules with associated sclerosis and distortion or involvement of complex sclerosing lesions and sclerosing adenosis by DCIS may mimic invasive carcinoma. DCIS may also involve a papilloma and these cases should be distinguished from DCIS with a papillary growth pattern (papillary DCIS), encapsulated papillary carcinoma and invasive papillary carcinoma. The goal of pathologic examination of breast specimens containing DCIS is to establish the diagnosis and determine relevant tumor features such as size, extent, grade and margin status.

Keywords: Ductal carcinoma in situ, intraductal carcinoma, atypical ductal hyperplasia, breast carcinoma, histopathology, Ductal Carcinoma , Breast Cancer

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Article Details

Year: 2012
Page: [162 - 171]
Pages: 10
DOI: 10.2174/157339412802653146
Price: $65

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