Re: [Histonet] tissue swelling out of block

2008-10-01 Thread Rene J Buesa
The tissue probably is incompletely infiltrated and absorbs humidity. René J. --- On Wed, 10/1/08, Gudrun Lang <[EMAIL PROTECTED]> wrote: From: Gudrun Lang <[EMAIL PROTECTED]> Subject: [Histonet] tissue swelling out of block To: histonet@lists.utsouthwestern.edu Date: Wednesday, October 1, 2008,

RE: [Histonet] tissue swelling out of block

2008-10-01 Thread Thomas Jasper
Hi Gudrun, Is your friend soaking blocks in ice water before cutting? This is common in animal histology and over soaking before cutting will cause swelling. Different tissue types will swell more quickly than others, but over soaking can eventually affect all tissue. Thomas Jasper HT (ASCP) B

RE: [Histonet] tissue swelling out of block

2008-10-01 Thread Rosa Fields
The major problem in a veterinary histo lab is generally 1 processor to process all types of tissues and species. The lab I can from had this problem; you can only optimize the schedule if you limit your tissues. Some are under, some are over; and a small percentage are just right. Rosa Fiel

RE: [Histonet] tissue swelling out of block

2008-10-01 Thread Bartlett, Jeanine (CDC/CCID/NCZVED)
Is he saying that he embeds processed tissue and removes the chilled paraffin block from the base mold that it then swells up in the paraffin? Before it is trimmed and placed on ice? Jeanine Bartlett Infectious Diseases Pathology Branch (404) 639-3590 [EMAIL PROTECTED] -Original Message-