[Histonet] Absence of Crystals in stains
Gudrun Lang
gu.lang at gmx.at
Wed Aug 10 04:30:03 CDT 2022
My first thought about calciumcrystals is solving by the chromatic acid.
I would recommend a vonKossa stain for calcium deposits.
Regards Gudrun Lang
-----Ursprüngliche Nachricht-----
Von: Akemi via Histonet [mailto:histonet at lists.utsouthwestern.edu]
Gesendet: Dienstag, 9. August 2022 23:51
An: Histonet
Betreff: [Histonet] Absence of Crystals in stains
I received this from a pathologist friend and need your help. Unfortunately, I can’t attach the images he sent me on histonet.
“I’ve got a histopuzzle for you. This is a fungus ball from a maxillary sinus. On the H&E, it is loaded with these birefringent crystals, which I hypothesize are calcium oxalate. On the GMS stain, however, the crystals are completely absent.
Do you think there’s some reagent in the GMS procedure that dissolves crystals that would be resistant to tissue processing and the H&E stain? “
Thanks in advance!
Akemi Allison BS, HT/HTL
Sent from my iPhone
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