Monodispersal and deoxyribonucleic acid analysis of prostatic cell nuclei.

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Abstract
We collected prostatic glands from 50 unselected autopsies at the Pathology Institute and compared their histologic sections with cytologic preparations and with results of photometric measurements of isolated prostatic cells and isolated nuclei. The results obtained with single cell photometry and flow-through cytophotometry proved to be comparable with one another and with the results of the cytologic and histologic studies. With these methods of cytophotometry we could differentiate inflammatory conditions, microcarcinomas and frank carcinomas from normal and hyperplastic prostatic tissue. We had difficulties, however, preparing adequate suspensions of cell nuclei from chronic fibrosing prostatitis. Our results indicate that it should be possible for diagnostic purposes to combine the technique of fine needle biopsy of the prostate with that of flow-through cytophotometry and to use the combined techniques for studying diseases of other organs.

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