Aspergillosis

Question 1

What is the name of the most common type of aspergillus?

Answer 1

Aspergillus fumigatus

Question 2

Where in the environment does aspergillus hang?

Answer 2

ubiquitous in soil

Question 3

What will you see under microscopy when looking at aspergillus?

Answer 3

septate hyphae with 45 degree angle branching

(aspergillus has acute angles)

Question 4

which aspergillus is most commonly a/w primary cutaneous disease?

Answer 4

aspergillus flavus (A. fumigatus is most common secondary cutaneous disease, usually in immunosuppressed patients)

• fumigatus “fumigates” the entire body and is usually secondary cutaneous infection

Question 5

Can both primary and secondary aspergillus infections spread hematogenously?

Answer 5

YES

Question 6

Hematogenous spread of aspergillus can lead to_____

Answer 6

vascular invasion causing thrombus and necrosis