Silica and barium: Comparison of microscopic appearance and characterization of effects of silica on cytomorphology.
Laura A CagleMichael M FryKenneth B WesleySarah S K BeattyPublished in: Veterinary clinical pathology (2023)
Silica from plastic red top tubes adversely affects cell morphology in cytocentrifuge preparations, potentially affecting manual differential cell counts and compromising diagnostic interpretation. Samples intended for microscopic evaluation should not be collected in silica-containing tubes.