Re: [Histonet] Formalin fixation for COVID-19 positive tissues .....

[Tony Henwood (SCHN) via Histonet]

Hi Richard,

It will depend on the size of the tissue and the source.
Lung tissue is the major concern. Other tissues not affected as much (based on 
the burgeoning literature on Covid-19).
Routine fixation time are applicable, remembering that the alcohols and heated 
wax will also inactivate the virus (triple whammy).
I suppose that I better add a reference:

https://www.tandfonline.com/doi/full/10.1080/01478885.2020.1734718


-Original Message-
From: Cartun, Richard via Histonet [mailto:histonet@lists.utsouthwestern.edu] 
Sent: Tuesday, 21 April 2020 6:51 AM
To: histonet@lists.utsouthwestern.edu
Subject: [Histonet] Formalin fixation for COVID-19 positive tissues .

How long are you fixing surgical tissue specimens from COVID-19 positive 
patient's before tissue processing?  I know that the CDC is recommending "72" 
hours for autopsy tissues, but, to me, that seems excessive for surgical 
pathology specimens.  Any information that you can share on this subject would 
be appreciated.  Thank you and stay safe.

Richard

Richard W. Cartun, MS, PhD
Director, Histology & The Martin M. Berman, MD Immunopathology/Morphologic 
Proteomics Laboratory Director, Biospecimen Collection Programs Assistant 
Director, Anatomic Pathology Hartford Hospital
80 Seymour Street
Hartford, CT  06102
(860) 972-1596 (Office)
(860) 545-2204 (Fax)
richard.car...@hhchealth.org


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[Histonet] Formalin fixation for COVID-19 positive tissues .....

[Cartun, Richard via Histonet]

How long are you fixing surgical tissue specimens from COVID-19 positive 
patient's before tissue processing?  I know that the CDC is recommending "72" 
hours for autopsy tissues, but, to me, that seems excessive for surgical 
pathology specimens.  Any information that you can share on this subject would 
be appreciated.  Thank you and stay safe.

Richard

Richard W. Cartun, MS, PhD
Director, Histology & The Martin M. Berman, MD Immunopathology/Morphologic 
Proteomics Laboratory
Director, Biospecimen Collection Programs
Assistant Director, Anatomic Pathology
Hartford Hospital
80 Seymour Street
Hartford, CT  06102
(860) 972-1596 (Office)
(860) 545-2204 (Fax)
richard.car...@hhchealth.org


This e-mail message, including any attachments, is for the sole use of the 
intended recipient(s) and may contain confidential and privileged information. 
Any unauthorized review, use, disclosure, or distribution is prohibited. If you 
are not the intended recipient, or an employee or agent responsible for 
delivering the message to the intended recipient, please contact the sender by 
reply e-mail and destroy all copies of the original message, including any 
attachments.
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[Histonet] A month since the last group of COVID-19 Haiku. How is everyone hanging in?

[Lester Raff MD via Histonet]

http://www.chicagonow.com/downsize-maybe/2020/04/haiku-2/

Lester J. Raff, MD MBA FCAP
Laboratory Director
UroPartners LLC Laboratory
2225 Enterprise Dr. Suite 2511
Westchester, IL 60154
Telephone 708-486-0076
Fax 708-492-0203

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