[Histonet] cut the old paraffin blocks

[Paula Pierce]

Wendy, 
 
sounds like they were not processed correctlly, not sealed, or both. You can melt them down, go back through xylene 2 to 3 changes for 2 hours each, then go back to 100% alcohol for 2 to 3 changes for 2 hours each, then reprocess back to paraffin.
 
FYI: Museums use a method of boiling in Weck soap to bring back mummy tissue. Had to use that method once when a tech left fresh breast sections on the xray tray overnight.


Paula Pierce, HTL(ASCP)HT

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