[Histonet] Pre-labeling glass slides

Fri Mar 16 11:23:40 CDT 2007

As it hapened with Janice I can't keep quiet either.
  Lets talk about LEAN.
  To start with it is not applicable to the entire histology workflow.
  The specimen arrives and somebody takes "hold" of it, number, access, describe AND??? that person will have to process it (unless it is a Frozen section). There has to be a delay and don't tell about the Xpress Sakura, it will have to wait until 30 or 40 cassettes will be ready before starting (and what do you call that if you don't want to call it a "batch"?)
  It will come out after 120 minutes (or more time if it is a regular processor) and again another person will take the cassette in a "nurturing and loving embrace" and will prepare the slide, embed the tissue, section it, WAIT until it dries and will stain it. How long will it take to that "dedicated" histotech to have the slide  ready for the pathologist and, most important, how much did that slide cost? What happened to the other cases? Is it a "one specimen a day"lab?
  Trying to see the histology lab as the production line of a Toyota is unrealistic. Some aspects can be streamlined, others not.
  The only process that is LEAN (and has always been without knowing it by the way) is the one performed by the histotech rushing over the piece of tissue received from the OR to do a FS, and even there I have seen some mislabellings (like some labs that do not access the tissue to do the FS).
  Embracing new approaches require a deep study and knowing what we are getting into.
  Just my opinion (as always)!
  René J.

Douglas D Deltour <doug <@t> ppspath.com> wrote:
  So it will save us time by having the tech get up and print the slide (using
the slide printer), go back to the microtome and cut it. This will happen
about 300+ times a night. Let's put two techs into the equation and one will
wait while the other is printing. If they do this I will not have to check
the slides for accuracy anymore? 

Douglas D. Deltour HT(ASCP)
Histology Supervisor
Professional Pathology Services, PC
One Science Court
Suite 200
Columbia, SC 29203
(803)252-1913
Fax (803)254-3262

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-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Janice
Mahoney
Sent: Friday, March 16, 2007 10:25 AM
To: Katri Tuomala; histonet <@t> lists.utsouthwestern.edu; Carmen Leschuk; Rene J
Buesa
Subject: Re: [Histonet] Pre-labeling glass slides

I can't keep quiet anymore.
Single piece flow, one specimen, slide, case at a time is the fastest and
least error prone way of performing any task. It is LEAN and it can be
proven. Please consider it for the patient's sake.
i know that it seems more efficient to batch. I felt that way too before I
started seeing the processes in my lab with LEAN eyes. 
All those checks along the way are slowing down your process. If you single
piece flow, one case/slide at at time you will make fewer errors and no
longer need so many checks. You will get more slides out faster (with the
right number on them whether they are written or etched or labelled).
Jan
Omaha

Janice Mahoney
Histology/Cytology Coordinator
Alegent Health Laboratory
4955 F Street
Omaha, NE 68117
(402)717-2889

>>> "Katri Tuomala" 03/12/2007 9:35 PM >>>
I totally agree with Rene. We pre-label all our slides in approximately 20 
slide lots. We have so many checks along the way, before the slides are 
delivered, that the odd mistake gets discovered very quickly.
You just have to pay attention to what you are doing.
And yes, I remember the diamond pens, ouch!!

Katri

Katri Tuomala
Hamilton, Ontario, Canada
----- Original Message ----- 
From: "Rene J Buesa" 
To: "Carmen Leschuk" ; 

Sent: Monday, March 12, 2007 12:44 PM
Subject: Re: [Histonet] Pre-labeling glass slides

> Carmen:
> Labelling the slides BEFORE they are used is the normal and logical 
> practice. In this way the slides can be ready beforehand. The thing is 
> that if the person using the slides does NOT pay attention, the 
> "misslabelling" can occur.
> On the other hand the amount of time you could WASTE by leballing 
> simultaneously while sectioning is astronomical.
> The good practice is to have a log with the blocks to section, prepare 
> all the labelled slides in the needed amount and BEFORE sectioning the 
> blocks, match slides to blocks and that is all you have to do.
> Sloppines and carelessnes are the roots of any mistake in histology. The 
> solution is to pay attention, not to misuse a slides writing machine.
> René J.
>
> Carmen Leschuk wrote:
> Recently, I heard of a slide mislabeling that occurred in another histo 
> lab that they determined to be caused by pre-labeling slides before actual

> use at the microtome. This lab said that if the slides would of been 
> labeled simultaneously (per their policy) as the blocks being cut, the 
> mislabeling would of been prevented. My lab currently pre-labels all of 
> slides before cutting a sequence of 10-20 blocks, which I thought was 
> common practice. My question is, what is common practice? Do other labs 
> have poli
> cies forbidding pre-labeling of glass slides?
>
>
>
> Carmen Leschuk, HT, SLS (ASCP)
> Supervisor, SJMO-Anatomic Pathology
> (248)858-6231
>
>
>
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