Lab derm Flashcards
1
Q
Tinea nigra cause
A
Hortea weneckii
2
Q
Tinea nigra what does it look like
A
Pigmented septate hyphae
3
Q
P versicolor what does it look like
A
Spaghetti and meatballs
Short hyphae and round yeast
Stain with PAS
4
Q
What does candida look like on histo
A
Pseudohyphae (yeast in a row) and budding yeast, PAS positive
5
Q
What does sporotrichosis look like
A
Round, oval or cigar shaped spores
6
Q
Dematacious hyphae
A
Just brown hyphae in dermis or fat
7
Q
Pit versicolor woods lamp
A
Yellow-green fluorescence
8
Q
Human flea name
A
Pulex irritans
9
Q
Fungal scraping how to fix stain
A
KOH 10-30%, warm in incubator at 37 degrees for 20 minutes
10
Q
Fungal - how to grow
A
Sabouraud’s dextrose agar media
11
Q
Human botfly name
A
Dermatobia hominis
12
Q
Ways to help stain fungi
A
- Chlorazol black E stain
- Calcofluor
