Aspergillus species

A 60-year-old man presents with fever and cough productive of rust-colored sputum and is diagnosed with community acquired pneumonia. The causative organism is isolated, and a Gram stain is shown in Figure 1. Which of the following most correctly describes additional features of the most likely causative organism?

A 69-year-old man with metastatic colon cancer is brought to the emergency department because of shortness of breath, fever, chills, and a productive cough with streaks of blood for the past 5 days. He has a history of emphysema. The patient does not have abdominal pain or headache. He receives chemotherapy with 5-fluorouracil, leucovorin, and oxaliplatin every 6 weeks; his last cycle was 3 weeks ago. His temperature is 38.3°C (101°F), pulse is 112/min, and blood pressure is 100/70 mm Hg. Pulse oximetry on room air shows an oxygen saturation of 83%. A few scattered inspiratory crackles are heard over the right lung. His mucous membranes are dry. Cardiac examination is normal. Laboratory studies show: Hemoglobin 9.3 mg/dL Leukocyte count 700/mm3 Segmented neutrophils 68% Lymphocytes 25% Eosinophils 4% Monocytes 3% Platelet count 104,000/mm3 Serum Glucose 75 mg/dL Urea nitrogen 41 mg/dL Creatinine 2.1 mg/dL Galactomannan antigen Positive Which of the following is the most appropriate initial pharmacotherapy?