A quick staining procedure by which a drop of stain solution is directly added to urine sediment. Neutrophilic leukocytes stain violet with red-purple nuclei. "Glitter" cells stain light blue to almost colorless. Squamous vaginal epithelial cells stain pale purple; nucleus stains dark purple. Bladder epithelial cells are either colorless or a pale blue. Hyaline casts stain a delicate pink to rose shade Granulation stains red violet, or blue in granular casts. WBC, RBC, epithelial, and cellular casts are easily recognized by the intense staining characteristics of cellular inclusions. Fatty cells have a bright honeycomb-like structure in a slightly stained matrix. Bacteria stain pink when living and active; dark purple when dead. Yeast cells may stain dark purple or they may not take the stain at all. Trichomonas parasites are either colorless or pale blue. RBCs stain faintly.
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Last Updated : 03/16/2013