Histological stains Flashcards
Fontana stain
+ve for melanin
Melanoma
Congo red + apple-green birefringence
+ve for amyloid
Amyloidosis
Rhodanine stain
Golden brown against blue counterstain
+ve for copper
Wilson’s
Prussian blue stain
+ve for iron
Haemochromatosis
Perl’s stain
+ve for iron
Haemochromatosis
Cytokeratin
+ve for epithelial cells
Carcinoma
CD45
+ve for lymphoid cells
lymphocytes
Ziehl-Neelsen
Red against blue background
+ve for acid-fast bacilli
TB
Rhodamine-Auramine stain
Bright yellow
TB
Gomori’s methanamine silver stain
Flying saucer shaped cysts
Pneumocystis jirovecii
Modified Kinyoung acid fast stain
+ve for Cryptosporidium parvum
India ink stain
Yeast cells surrounded by halos
Cryptococcus neoformans
Giemsa stain
Cytoplasmic inclusions
Chlamydia psittaci
Fite stain
+ve for mycobacterium leprae