[Histonet] Vacuum packing of formalin fixed tissues for archiving

Tony Henwood (SCHN) tony.henwood at health.nsw.gov.au
Wed Oct 6 17:43:41 CDT 2021

Hi Michelle,

We have used the Milestone Tissue Safe Plus unit with Integrated Data Logger card reader to seal formalin-fixed placentas since 2019.
Placentas are drained of excess formalin in a chemical hood, placed into a labelled bag and sealed.

We instituted the process to reduce the formalin fume leakage that often accompanies the storage of these specimens and to decrease the storage space required.

The process has lived up to its aims (formalin fume containment, no liquid leakage and reduced storage requirements) and we are currently sampling the early specimens (3 years in storage) to analyse any adverse morphology and Immunohistochemical staining that might occur.

Tony Henwood JP, MSc, BAppSc, GradDipSysAnalys, CT(ASC), FFSc(RCPA) 
Principal Scientist, the Children's Hospital at Westmead
Adjunct Fellow, School of Medicine, University of Western Sydney 
Tel: 612 9845 3306 
Fax: 612 9845 3318 
Pathology Department
the children's hospital at westmead
Cnr Hawkesbury Road and Hainsworth Street, Westmead
Locked Bag 4001, Westmead NSW 2145, AUSTRALIA 

-----Original Message-----
From: Michelle Perrins via Histonet [mailto:histonet at lists.utsouthwestern.edu] 
Sent: Wednesday, 6 October 2021 11:25 PM
To: histonet at lists.utsouthwestern.edu
Subject: [Histonet] Vacuum packing of formalin fixed tissues for archiving

I would like to know if any histology laboratory stores their fixed specimens this way and what instrument do you use?

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