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positive stain

    0.01 sec.
positive stain
n.
Direct binding of a dye with a tissue component to produce contrast.


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Immunoreactivity evaluations revealed a diffuse stain for vimentin (figure 2, B) and weakly positive stains for CD34, CD99, Bcl-2, and smooth-muscle actin; stains for epithelial markers, melanoma markers, S-100 protein, and desmin were negative.
Forceps biopsy confirmed GCT with a positive stain for S-100 (Fig.
 
 
 
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