A patient from Arizona showed large sac-like structures from…
A patient from Arizona showed large sac-like structures from a sputum culture on direct wet mount. Lactophenol Cotton Blue stain revealed numerous small cells inside the sac, but no budding-yeast forms. The culture grew a soft, white, fluffy mold with arthroconidia. This organism is most likely (M27-14, M27-15, M60-17, 21; Level 3):