[Histonet] Storage of Frozen Tissues

Rene J Buesa rjbuesa <@t> yahoo.com
Wed Feb 22 07:16:27 CST 2012

Tissues in my tumor bank (-80ºC) were kept in small (1inchx2inches) labeled zip-lock bags. I do not understand about your concern regarding "tissues being exposed to staff".
Inside the bags I used, the tissues were not exposed. If they were taken out for any study or procedures, universal precautions were taken.
René J.

--- On Wed, 2/22/12, Dennis Hahn <Dennis.Hahn <@t> cookchildrens.org> wrote:

From: Dennis Hahn <Dennis.Hahn <@t> cookchildrens.org>
Subject: [Histonet] Storage of Frozen Tissues
To: "'histonet <@t> lists.utsouthwestern.edu'" <histonet <@t> lists.utsouthwestern.edu>
Date: Wednesday, February 22, 2012, 7:20 AM

How does everyone store tissues that are at -20 or -80? Currently we wrap the tissue well in foil and place in a labeled cassette. If shipped out, we double bag as required. Recently, a concern has been raised about the cassettes being a safety issue due to the fact that the tissue could be exposed to staff. Any ideas?


Dennis Hahn, HT (ASCP)
Histology Lab Supervisor
Cook Children's Medical Center
801 7th Avenue
Ft. Worth, TX 76104
(682) 885-6168


Cook Children's Health Care System

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