Sketchy: Sporothrix schenckii Flashcards
1
Q
How does Sporothrix schenckii look under microscopy?
A
branching hyphae, cigar-shaped yeast (rose buds)
2
Q
How is Sporothrix schenckii classically transmitted?
A
a rose thorn prick
3
Q
How is Sporothrix schenckii transmitted?
A
introduced by trauma (like a rose thorn prick)
4
Q
Cue:
- vines crawling up the walls
A
ascending infection (pustules appear along the lymphatic system)
5
Q
What’s another name for a Sporothrix schenckii infection?
A
rose gardener’s disease
6
Q
Cue:
- pinecones
A
tx = -conazoles (itraconazole)
7
Q
How is the dx confirmed in Sporothrix schenckii?
A
- culture
- biopsy (granulomas with histiocytes and multinucleated giant cells with cigar-shaped budding yeast)
8
Q
Cue:
- gardener smoking a cigar with thorny vines covered in red bulbs wrapped around her arms
A
- cigar = cigar-shaped yeast
- vines = track up the lymphatics
- red bulbs = red bumpy rash that appears and spreads
9
Q
Cue:
- butterfly
A
dimorphic
10
Q
What is the tx for Sporothrix schenckii?
A
- -conazoles (itraconazole)
- ***used to be KI solution
11
Q
What does Sporothrix schenckii and what is it?
A
sporotrichosis, a cutaneous infection
12
Q
What appears at the site of trauma?
A
local ulcer or pustule
