Fig 1. Pollen grains in sputa from Case 1. Pollen grains with a thin cell
wall and wedging (arrow). Inset shows a larger pollen grain from the
same specimen with an angular broken cell wall and internal pollen
granules. (Papanicolaou's stain X730).
Fig 2. Coccidioides immitis in sputa from Case 2. Six organisms are engulfed
by a macrophage. Note variation in the morphology of the endospores
from organism to organism. A perfectly round spherule with a .double
refractile capsule seen as free organism in a purulent background.
(Papanicolaou's stain, X730.)
Fig 3. Caseating granuloma containing Coccidioides. Transbronchial biopsy
from Case 2. (Gomori's methenamine silver, Xl00).
Last modified: March 17, 2007