PAS stain. An example of Aspergillus fumigatus.
(PAS-stained) in a patient with chronic granulomatous disease showing a 45 degree branching hypha within a giant cell. Rather bulbous hyphal ends are also seem, which is sometimes found inAspergillus spp. infections, histologically. (x800)
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Notes:
Comparison of GMS and PAS stains. Patient with disseminated Trichosporon spp. infection. Both x60. In the GMS image, substantial background staining of elastin is seen, with more prominent yeasts superimposed. In contrast, the PAS stain shows the tissue morphology, with bright pink yeasts also visible.
A four day A. fumigatus culture on malt extract agar (above). Light microscopy pictures are taken at 1000x mag., stained with lacto-phenol cotton blue (right).
A four day A. fumigatus culture on malt extract agar (above). Light microscopy pictures are taken at 1000x mag., stained with lacto-phenol cotton blue (right).
A four day A. fumigatus culture on malt extract agar (above). Light microscopy pictures are taken at 1000x mag., stained with lacto-phenol cotton blue (right).
![Asp[1]fumighead2](https://www.aspergillus.org.uk/wp-content/uploads/2013/11/Asp1fumighead2-150x150.jpg "Asp[1]fumighead2")
![Asp[1]fumighead](https://www.aspergillus.org.uk/wp-content/uploads/2013/11/Asp1fumighead-150x150.jpg "Asp[1]fumighead")
![Asp[1]fumigatus](https://www.aspergillus.org.uk/wp-content/uploads/2013/11/Asp1fumigatus-150x150.jpg "Asp[1]fumigatus")
