Stains Flashcards
1
Q
Giemsa
A
Borrelia, plasmodium, trypanosomes, Chlamydia
2
Q
PAS (periodic acid-schiff)
A
Stains glycogen, mucopolysaccharides; used to diagnose Whipple’s disease (Tropheryma whippeli)
Pathoma: Alpha-1-antitrypsin deficiency - mutated protein accumulates in cytoplasm of hepatocytes –> pink PAS+ globules in hepatocytes
3
Q
Ziehl-Neelsen (carbol fuchsin)
A
Acid-fast organisms
4
Q
India ink
A
Cryptococcosis neoformans (mucicarmine can also be used to stain thick polysaccharide capsule red)
5
Q
Silver stain
A
Fungi (e.g. Pneumocystis), Legionella