Fig. 5: Cysts of Pneumocystis
jiroveci in Smear from Bronchoalveolar Lavage
![](images/pcpcysta.jpg)
Cysts of Pneumocystis
jiroveci in lung tissue, Gomori methenamine silver stain method. The walls
of the cysts are stained black and often appear crescent shaped or like crushed
ping-pong balls. The intracystic bodies are not visible with this stain.
By Content Providers: CDC [Public domain].
Courtesy of the Centers for Disease Control and Prevention.
![Creative Commons License](https://i.creativecommons.org/l/by/4.0/88x31.png)
Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017