Histological type and typing of breast carcinomas and the WHO classification changes over time

Research output: Contribution to journalReview article

Abstract

The World Health Organization's new classification of breast tumors has just been published. This review aims to examine the morphological categorization of breast carcinomas which is still principally based on histological features and follows the traditions of histological typing. It gives a subjective and critical view on the WHO classifications and their changes over time, and describes the changes related to some of the most common or challenging breast carcinomas: in situ carcinomas, invasive breast carcinomas of no special type, lobular, cribriform, tubular, mucinous, papillary, metaplastic carcinomas and carcinomas with medullary pattern and those with apocrine differentiation are discussed in more details. Although the 5th edition of the classification is not perfect, it has advantages which are mentioned along with problematic issues of classifications.

Original languageEnglish
Pages (from-to)25-41
Number of pages17
JournalPathologica
Volume112
Issue number1
DOIs
Publication statusPublished - Mar 1 2020

Keywords

  • breast carcinoma
  • histological type
  • WHO classification

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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