Table 8-1 Histologic Stains for Specific Tissue |
| Special Stain | | Target | | Color |
Collagen/Muscle |
| Masson trichrome | | Collagen | | Blue or green |
| | Muscle, nerves, nuclei | | Dark red |
| Verhoeff-van Gieson | | Collagen | | Red |
| | Nuclei, muscles, and nerves | | Yellow |
| Aldehyde fuchsin (Gomori) | | Collagen | | Red |
| Mallory triple stain or trichrome stain (aniline blue) | | Collagen | | Blue |
| | Muscle | | Red |
| PTAH (phosphotungstic acid hematoxylin) | | Collagen | | Red |
| | Muscle/fibrin | | Blue |
| Movat’s pentachrome | | Collagen | | Yellow |
| | Muscle/fibrin | | Red |
Elastic tissue |
| Verhoeff-van Gieson | | Elastic fibers | | Black |
| Orcein-Giemsa (Pinkus acid orcein) | | Elastic fibers | | Black |
| Aldehyde fuchsin (Gomori) | | Elastic fibers | | Blue or purple |
| Movat’s pentachrome | | Elastic fibers | | Black |
Nerve |
| Bodian | | Nerve fibers | | Black |
Fat |
| Oil-red-O | | Lipid | | Red |
| Sudan black B | | Lipid | | Black |
| Scarlet red | | Lipid | | Red brown |
Melanin |
| Fontana-Masson | | Melanin | | Black |
| Orcein-Giemsa | | Melanin | | Brown-black |
| Silver nitrate | | Melanin | | Black |
Hemosiderin |
| Perls | | Hemosiderin/iron (not melanin) | | Bright blue |
| Prussian blue | | Iron/hemosiderin | | Blue |
| Turnbull’s blue | | Iron/hemosiderin | | Blue |
Calcium |
| Alizarin Red S | | Ca++ | | Reddish orange |
| Von Kossa | | Ca++ | | Brown black |
Mucin/Mucopolysaccharides |
| Toluidine blue | | Acid MPS | | Purple |
| Alcian blue | | Acid MPS (pH 2.5) | | Blue |
| | Sulfated MPS (pH 0.5) | |
| Aldehyde fuchsin (Gomori) | | Acid MPS, elastic tissue | | Blue |
| Colloidal iron | | Acid MPS | | Blue |
| Crystal violet | | Acid MPS | | Purple with blue background |
| Mucicarmine | | “Epithelial” mucin | | Bright pink (Paget’s, cryptococcus capsule) |
| Giemsa | | Acid MPS | | Metachromatically purple |
| PAS | | Neutral MPS | | Pink |
Amyloid |
| Congo red | | Amyloid | | Pink-red, green birefringence with polarization |
| Crystal violet | | Amyloid | | Purple with blue background |
| Thioflavin T | | Amyloid | | Yellow fluorescence under fluorescent microscope |
| Scarlet red | | Amyloid | | Red |
| Orcein-Giemsa | | Amyloid | | Light blue |
Mast cells |
| Leder (chloroacetate esterase) | | Granules | | Red |
| Giemsa | | Granules | | Purple |
| Toluidine blue | | Granules | | Purple |
| Tryptase | | Granules | | Red to brown |
Bacteria |
| Gram stain | | Gram-positive | | Blue
{Brown-Brenn and Brown-Hopps – modified gram stain} |
| | Gram-negative | | Red
{Brown-Brenn and Brown-Hopps – modified gram stain} |
| Fite | | M. leprae, Nocardia | | Red
{Fite better than Ziehl–Neelsen for more delicate M. leprae bacilli} |
| Ziehl–Neelsen | | Acid fast bacteria | | Red
{Fite better than Ziehl–Neelsen for more delicate M. leprae bacilli} |
| Warthin–Starry | | Spirochetes | | Black |
| Steiner | | Spirochetes | | Black |
| Giemsa | | Leishmania, Histoplasma, Rickettsia | | Purple to blue |
DNA/RNA |
| Methyl green-pyronin | | RNA | | Pink-red |
| | DNA | | Blue-green |
| Feulgen | | DNA only | | Magenta |
Fungi |
| GMS (Gomori methenamine silver) | | Donovan bodies, fungi | | Black |
| PAS (Periodic acid-Schiff) | | Fungi, neutral MPS, glycogen | | Red |
| Grocott | | Fungi | | Fungus cell wall: black |
| | | | | |