[Histonet] lost tissue

Anthony Reilly Tony_Reilly <@t> health.qld.gov.au
Thu Nov 11 18:25:27 CST 2010

Hi Christine
You have had some good suggestions to date.
Also to consider  if you are using the Peloris racks with the individual spaces for cassettes I have seen this happen when cassettes are inserted into the racks.  As most people load cassettes with the patient details facing up, if not careful the lid can make contact with the cassette divider and open the lid.  We had this happen in my lab and now the formalin that contains the racks prior to processing is poured through a sieve before disposal.  We have saved one specimen with this process and even if it is only 1 in a million it is worth it.
As the tissue is not wrapped also consider that tissue will shrink during processing.

Tony Reilly  B.App.Sc. , M.Sc.
Chief Scientist, Anatomical Pathology
Pathology Queensland-PA Laboratory
Clinical and Statewide Services Division| QueenslandHealth
Level 1, Building 15,Princess Alexandra Hospital
Ipswich Road,WOOLLOONGABBA  Qld4102
Ph: 07 3176 2412
Mob: 0402 139411
Fax: 07 3176 2930
Email: tony_reilly <@t> health.qld.gov.au
Web:  www.health.qld.gov.au/qhcss/

>>> "Braaten, Christine I" <CBraaten <@t> Cheshire-Med.COM> 12/11/2010 1:52 am >>>
Hi everyone,

Has anyone had a problem with cassettes opening during processing?

Sometimes the cassettes are slightly opened at the top or bottom. We

rarely lose a specimen and it's frustrating to cause the patient to be

biopsied again with no explanation what happened to it. We use Surgipath

micro cassettes and a Peloris processor and just in the past three or

four months we have lost 2 specimens somewhere between  grossing and

embedding. The specimens are tiny skin biopsies and have no paper or

biopsy pads in the cassette with them. They are not small enough to fit

through the cassette "holes".  If anyone has any ideas what might be

happening I would appreciate a response. I have been embedding for 8

years and it's just been in the recent past that this has happened.

Thanks, Christine

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