I agree with Brian, but we dispose of blocks by treating them as regulated
biohazard waste. We also blocks them longer than 2 years. The CLIA regulation
states keeping them for a minimum of 2 years. Outside facilities frequently
request unstained slides or blocks on cases that are more than 2
John,
I totally agree
Tony
From: John Kiernan [jkier...@uwo.ca]
Sent: Saturday, 6 June 2015 2:31 PM
To: Peter Noyce; histonet@lists.utsouthwestern.edu
Subject: Re: [Histonet] tissue fixation-formaldehyde concentrations which
is best.
Dear
I agree with Paula.
The way you have explained the regs implies that even I would have problems
entering the labs.
Maybe ban people altogether and then we meet the regs.
Lets keep it real and not fantasy.
Tony
From: Boyd, Debbie M [dkb...@chs.net]
Sent:
Laboratory Air-conditioning systems should be separate from patient area
systems (as is required for operating theatre units).
I understand this to be good practice.
From: Goins, Tresa [tgo...@mt.gov]
Sent: Thursday, 4 June 2015 12:18 AM
To: Tony Henwood
Hi everyone,
I just became aware of this technique last week, and it seems to work great.
I did a quick google search and found this quick reference.
http://www.scielo.cl/pdf/ijmorphol/v30n1/art07.pdf
http://www.scielo.cl/pdf/ijmorphol/v30n1/art07.pdf
Anyone out there float their sections in
Yes I use it for brain.
Happy Connecting. Sent from my Sprint Phone.
-- Original message--
From: Garrey Faller
Date: Sat, Jun 6, 2015 10:48 AM
To: histonet@lists.utsouthwestern.edu;
Subject:[Histonet] Pre-floating tissue sections in dilute alcohol
Hi everyone,
I just became aware
Adrienne (where?) asks: I have a really quick question: about how long
does it take to decal a bone marrow biopsy? to which Jessica (where? -
apparently in the US though) replies It all depends on what you use for
decal. We use 5% Nitric acid for 1 hour or so. Sometimes it needs a bit
more time.
I Garrey,
I came across floating sections in dilute alcohol back in 2005 when I started
working in the UK and have been using it ever since.
I agree it introduces one more step and wouldn't use for every single section -
there's no need. But I do find it very helpful with certain blocks/tissues
I have to agree with the student, John.
Sure, he is coming from ignorance ( not a bad situation: naivety is not a
fault... we all are/were there at some point;-)
Sure...I agree with you re the using of the word Paraformaldehyde as a
fixative
I often sigh when used.
However, differential
That's a good question. I'd like to know the answer myself to that. :)
Sent from my iPhone
On Jun 5, 2015, at 12:54 PM, Arbaugh, Roberta rarba...@csdermatology.com
wrote:
Per CLIA we only need to keep paraffin blocks two years. What is the proper
way to dispose of them?
DISCLAIMER:
Hey Aimee,
This has been discussed several times on Histonet. It sounds like it depends on
the institution. Since they're FFPE, pathogens are not a concern. I didn't
reply to all because someone will shout out, What about CJD? and then I would
have to punch them. They should be able to go into
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