12th January 2024

A 52-year-old woman with a background of HIV presents with progressive shortness of breath on exertion and cough.

A 52-year-old woman with a background of HIV presents with progressive shortness of breath on exertion and cough. A chest X-ray is taken, which shows bilateral infiltrates. She is seen by the Respiratory Team, who suspect a diagnosis of Pneumocystis pneumonia. A sputum sample is collected. Which of the following stains can be used to confirm the suspected diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.