Cytologically Yours: Unknowns: 201310: Case 6

Clinical History

65 yo male with history of CLL, neutropenia, now with new lung infiltrate and respiratory failure. The specimen is a bronchial alveolar lavage (BAL).

Cytology

• 
  Diff Quik Stain
• 
  Pap Stain
• 
  Pap Stain
• 
  Diff Quik Stain
• 
  Diff Quik Stain
• 
  GMS
• 
  GMS

Resident Question

• Diagnosis

Aspergillus

• Can this organism be associated with crystals? If so what kind?

Associated with oxalate crystals and charcot leiden crystals

• List 3 facts about this organism

• Most common opportunistic infection
• Common species (fumagates, flavus, and niger)
• Associated with oxalate crystals and charcot leiden crystals
• Sepatated hyphae
• Narrow angle branching 45 degrees
• Angioinvasive
• Aflatoxin