New Member
Posted 25 February 2012 - 07:09 AM
Hi Sisters and Brothers,
Today I went to the hospital to receive my FISH test result, but the result was as following
Quote
"This hematological blood specimen is very hypocellular (WBC 2.1) and found not suitable for FISH"
Unquote
Is this normal ?
Regards,
Advanced Member
Posted 25 February 2012 - 08:41 AM
Hi Nora,
Although I have no information, I am sure there are many on here that can explain what is going on with your results. I would estimate by this afternoon you will have many replies with excellent information. I hope you have a peaceful day.
Pam
Advanced Member
Posted 25 February 2012 - 10:27 AM
It may have been a version of FISH that is more selective about cell sampling, such as Metaphase FISH or some other specialty FISH test. The FISH test test looks for 200 - 500 (or more) WBCs that are capable of dividing, and Metaphase FISH is much more selective than Interphase FISH. So although a sampling failure is rare, it can happen.
Was this from blood or from marrow?
New Member
Posted 25 February 2012 - 11:18 AM
Thanks Trey for explaniation
it was form blood
Advanced Member
Posted 25 February 2012 - 01:38 PM
This is more likely to occur in the blood than marrow. The dividing WBCs will tend to remain in the marrow during myelosuppression (very low WBC).
Advanced Member
Posted 25 February 2012 - 04:07 PM
This is somewhat related, I guess. I hate to start another thread... I was told once by a phlebotomist, when I asked her to use a butterfly needle for me, that the butterfly can break apart the blood cells. Has anyone heard of this (Trey?)? My regular phlebotomist always uses the thin needle on me because I am a "bleeder". If true, would this have any impact on the accuracy of a CBC/PCR? I am inclined to believe that this woman is mistaken. Blood cells are very tiny. I cannot imagine that a thinner needle could break them.
Teds
New Member
Posted 25 February 2012 - 07:27 PM
Teds, I don't know about a butterfly needle, but my onc's lab tech only uses pediatric needles for everyone, because cancer pts have so many draws and a lot of them are hard to stick after awhile.
Elizabeth
Advanced Member
Posted 25 February 2012 - 07:35 PM
Hi : I never heard of that. I have been getting my blood drawn through the front of my hand for 13 years, because they cannot find my veins in my arm. When I was going through all the testing way back when they thought I would be getting a BMT, they used the butterfly in the front of my hand for all my tests then too. I do not think they are using a small needle on me. IT hurts like heck everytime I get it done. I am going to ask her next time I go for my blood test.
Good Question.
Susan
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