DERMATOLOGY 10: cytology quiz

Question 1

Answer 1

broken hairs: self-induced trauma

Question 2

Answer 2

normal. have micromelanosomes

Question 3

Question 4

Answer 4

crushed[from forceps]

Question 5

Answer 5

breakage. warped shape!! is consistent with follicular dysplasia.

Question 6

Answer 6

chelytiella mites

Question 7

what conditions?

Answer 7

deramtophytosis-ringworm. not on all hairs, hard to find

Question 8

Answer 8

anagen defluxion

Question 9

Answer 9

follicualr casts

Question 10

Answer 10

flea faeces

Question 11

two types fo demodex? which is larger?

Answer 11

demodex canis
demodex injai [bigger]

Question 12

where in the body would they be?

Answer 12

harvest mite. in autumn
-ears
-btwn toes

Question 13

Answer 13

otidectes cynotis

Question 14

Answer 14

keratinocytes. 2 types: nucleated and non-nucleated

Question 15

Answer 15

malassezia

Question 16

Answer 16

-indicated that the patient is licking soemwehre. [these guys live in the mouth]

Question 17

Answer 17

eosinophils:
hypersensitivity
parasites
allergy

Question 18

Answer 18

degranulated eosinophills

Question 19

Answer 19

-strep in chains
-staph in 2,4,8,16 etc

Question 20

Answer 20

giant cells

Question 21

Question 22

Answer 22

cryptococcus

Question 23

Answer 23

Question 24

Answer 24

[neutrophills shooting their ent before they die. associated with staph]

Question 25

Answer 25

rods: pseudomonas.
also biofilm in background

Question 26

neutrophils.are they degenerate or non-degenerate?

Answer 26

non degeneratte

Question 27

Answer 27

idk why

Question 28

Answer 28

cells: macrophages n eosinophils
diag: eosinophillic furunculosis/granuloma

Question 29

Question 30

Answer 30

mast cell tumours

Question 31

also, tx?

Answer 31

histiocytoma
most spontaneously resolve

Question 32

Answer 32

spindle cell tumour

Question 33

Question 34

Answer 34

protozoa: leishmania. [warm places. vector is sandfly]

Question 35

Question 36

Answer 36

scrape
pluck
smear [cytology]

Question 37

how many hairs should you be taking for a hair pluck?

Answer 37

100-200

Question 38

steps to do a skin scrape?

Answer 38

cut hair with scissors, not clippers, drop of parafin. scarep till capillary ooze. microscope

Question 39

Answer 39

more on diag of this guy. treat the pyoderma because it affects bipsy. need to clear hte infecgtion first so you can see wahts udner

Question 40

Answer 40

feather pluck
tape
scrape

Question 41

Answer 41

malazzesia [russion dolls. peanuts. snowshoes shape]