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Medical Definition of Brush biopsy
1. Biopsy obtained by passing a bristled catheter into the ureter or pyelocalyceal system to remove cells from suspected areas of disease by entrapping them in the bristles. (05 Mar 2000)
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1. Biopsy obtained by passing a bristled catheter into the ureter or pyelocalyceal system to remove cells from suspected areas of disease by entrapping them in the bristles. (05 Mar 2000)