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A Supravital Cytodiagnostic Stain for Urinary Sediments
Richard Sternheimer, MD
JAMA. 1975;231(8):826-832.
Abstract
A mixture of aqueous solutions of National fast blue, a copper-phthalocyanine dye, and pyronin B, a red xanthene dye, when added to fresh urinary sediment, supravitally stains benign or malignant cells and the various types of casts and their inclusions. The stain facilitates identification of the formed elements and particularly aids in the differentiation of polymorphonuclear leukocytes from lymphocytes, histiocytes, plasma cells, and renal tubular cells. A variable staining of casts and their inclusions has been observed. Tumor cells may be recognized by nuclear abnormalities or, in case of hyperchromatic tendency, by a very rapid and early uptake of dye preceding that of the surrounding cells.
The staining method is rapid and simple enough for routine urinalysis and screening procedures.
(JAMA 231:826-832, 1975)
Author Affiliations
From the departments of medicine and pathology, Michael Reese Hospital and Medical Center, Chicago.
Footnotes
Reprint requests to Michael Reese Hospital and Medical Center, 2900 S Ellis Ave, Chicago, IL 60616 (Dr. Sternheimer).
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