Here’s
an interesting discussion in the Facebook Hematology Interest Group…
“What is your lab's policy regarding manual
diffs on leukopenic oncology patients? Do you read them all? Have a lower limit
to read? Report automated?”
Personally
I’d be inclined to report the automated diff from the analyser *if* one is obtained. And if one isn’t
then do a manual diff *if* you can
get a reliable diff. But what constitutes a reliable diff. I’ve seen slides in
which there wasn’t more than a dozen white cells in the entire film.
I
suppose the bottom line is that if there are too few cells to count then the
patient is neutropenic; that is what the clinician wants to know.
The
discussion in the article was interesting.
Some
people don’t report diffs on Wbc <1.0
Some
people do differentials on films made on buffy coats
…
Really ?
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