4 Investigations: Microbiology
Figure 4.1a Unstained Candida albicans.
Figure 4.1b Candida hyphae PAS staining.
Figure 4.1c Candidosis (silver stain).
Figure 4.1d Candida colonies.
Figure 4.1e Histoplasmosis silver impregnation.
Figure 4.1f CMV immunohistochemistry.
Table 4.1 Common microbiological stains.
|Acid fast (Ziehl-Neelsen and Kinyoun stains)
||Carbol fuchsin and methylene blue
||Differentiates bacteria with waxy cell walls, e.g. Mycobacterium tuberculosis, Mycobacterium leprae, and Mycobacterium avium-intracellulare complex from those that do not
|Gomori methenamine silver (GMS)
||Stains carbohydrates in fungi
||Crystal violet, Gram’s iodine and safranin
||Stains Gram-positive bacteria (e.g. Staphylococci), and Gram-negative bacteria/>
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