Differential Diagnosis of Solid Carcinoma In Situ

Horacio M. Maluf

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Although most cases of carcinoma in-situ are easily classified as either ductal or lobular on the basis of their pattern of involvement and the nature of their cell-to-cell relation, a few pose diagnostic problems. Attention to the presence of associated lesions and the results of immunohistochemical staining for E-cadherin and, to a lesser extent, cytokeratin can help to categorize problematic cases. This article reviews the histological criteria employed to separate ductal carcinoma in situ from lobular carcinoma in situ, the role of immunohistochemistry in the diagnosis of equivocal lesions, and the evidence suggesting the existence of combined and truly hybrid forms.

Original languageEnglish
Pages (from-to)25-31
Number of pages7
JournalSeminars in Diagnostic Pathology
Volume21
Issue number1
DOIs
StatePublished - Feb 2004

Keywords

  • Ductal carcinoma in situ
  • E-cadherin
  • High molecular weight keratin
  • Lobular carcinoma in situ

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