BOF: 25
A 30-year-old musician presents with a 6-week history of
increasing dyspnoea, fevers, cough and weight loss. He has oral candidiasis
and facial dermatitis. You suspect Pneumocystis carinii pneumonia
(PCP).
What one investigation is most likely to establish this
diagnosis?
a)
Thick blood film for pneumocysts
b)
Blood cultures
c)
Induced sputum with direct immunofluorescence
d)
PCP serology
e)
Silver stain of induced sputum