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A cytomorphologic approach to standardization of cell dispersal evaluation for gynecologic specimens

DL Barrett and EB King

Dispersal of cells in gynecologic specimens is a major concern in sample preparation for automated systems. A variety of dispersal techniques has been tested, with varying degrees of success reported by many laboratories. In order to have a more meaningful comparison of the results of different techniques and among investigators, a standardized evaluation procedure is desirable. The cytomorphologic element of evaluation of cell dispersal has been developed and tested in this laboratory and might be applied toward this purpose. This evaluation reveals the changes in relative numbers of single cells according to cell type and estimates cell loss as well as changes in cellular preservation. Groups of cells are tabulated according to whether they appear as definite tissue groups or as clumps of single cells. Because abnormal cells and cells from the transformation zone often occur in tissue groups, special emphasis is placed on dispersal analysis by cell type to reveal whether the diagnostically important cells and cells relating to specimen adequacy were optimally dispersed. Furthermore, the format of evaluation allows assessment of the applicability of dispersal procedures to preparation for both flow and slide-based systems of automated cytology.

Volume 25, Issue 7, pp. 495-498, 07/01/1977
Copyright © 1977 by The Histochemical Society


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