Morphometric analysis of differentiation in human breast carcinoma. Tumor heterogeneity

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13 Citas (Scopus)


The assumption that tumor grading is best performed in the region having the least differentiation was tested in a series of mammary ductal carcinomas by quantitating the relative amounts of neoplastic cells that remain within ducts (intraductal tumor [IN]) or participate in glandular formations (differentiated infiltrating tumor [DI]). Field-to-field variation in these two elements displayed a linear correlation with their overall level in each tumor. Since having less than 10% DI + IN is a marker for recurrence among breast cancer patients, this marker was applied to find variant regions of potential biological importance. Such regions were common, but their distribution was random, and they varied so much within themselves that they were not significantly different from the remainder of the tumor. Furthermore, the existence of such poorly differentiated regions did not correlate with a poor prognosis. Grading should be performed on a sample that is representative of the entire tumor, rather than its least differentiated part.

Idioma originalEnglish (US)
Páginas (desde-hasta)411-414
Número de páginas4
PublicaciónArchives of Pathology and Laboratory Medicine
EstadoPublished - 1983
Publicado de forma externa

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology


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