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.
Light microscopical appearance of hepatic tissue in outbreak of aflatoxicosis showing centrilobular degeneration of hepatocytes with vacuolated cytoplasm and apoptoses (top right abnormal)(Haematoxylin and eosin).
Aspergillus terreus Thom. A Colonies on MEA after one week; B detail of colony showing columnar conidial heads x 44 ; C conidial heads and tip x 920; D conidia x2330
Aspergillus terreus Thom. Conidial head of Aspergillus terreus. Conidial heads are compact, columnar and biseriate. Conidiophores are hyaline to slightly yellow and smooth walled.
