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Centrifugal separation of cells in sputum

JK Frost, NJ Pressman, CD Albright, GW Gill and MH Vansickel

A centrifugation technique was developed and used to separate fixed cells from the sputa of patients with bronchogenic squamous cell carcinoma and ones with no evidence of cancer. This article presents the relative frequencies of occurrence of five cell types (i.e., leukocytes, macrophages, squamous, columnar and atypical/cancer) in specimen fractions separated from a discontinuous aqueous Ficoll density gradient. These differential counts show that individual cell types may be selectively collected. Atypical and cancer cells are found at high-density gradient fractions (p congruent to 1.138-1.155 g/ml) with a 10-fold enrichment over unprocessed samples.

Volume 27, Issue 1, pp. 7-13, 01/01/1979
Copyright © 1979 by The Histochemical Society


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The Journal of Histochemistry & Cytochemistry is owned, published, and licensed by The Histochemical Society © 1979