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Re: Microscopic HematuriaFrom: Robert J. Woolley (wooll005@tc.umn.edu)Mon Mar 16 16:24:11 1998
In message <199803162222.QAA13898@talk.obgyn.net> writes: > At Mon, 16 Mar 1998, Robert J Woolley wrote: > > > >FWIW, a false-negative microscopic exam is much more likely than a > >false-positive dipstick reaction, so the dipstick not confirmed by micro > >should still be assumed to be true micro hematuria. (What you do about > >this is, however, a thornier question.) > > That's counterintuitive. Can you explain? Not in any detail. It's one of those things I wondered abou once, and read in some detail in textbooks of laboratory medicine, enough to convince myself that it was really true. But I no longer remember the details of the things that cause false positive dis=psticks (though it was a very short list, like maybe two things), and what causes false-negative micros, though it was a longer list, and moderately common things. ---------------------------------------------------------------------------
--------------------------------------------------------------------------- Bob Woolley -- --------------------------------------------------------------------------- St. Paul, Minnesota
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