Lecture Flashcards

1
Q

tight junctions

A

prevent leakage between cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

adherens junctions

A

join actin of one cell to actin of neighboring cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

desmosome

A

joins intermediate filaments in one cell to those in a neighbor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

gap junction

A

small water-soluble ions and molecules pass through

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

hemidesmosome

A

anchors intermediate filaments in a cell to the basal lamina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

itchy

bullous pemphigoid or pemphigus vulgaris

A

bullous pemphigoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

painful

bullous pemphigoid or pemphigus vulgaris

A

pemphigus vulgaris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

vitilago MOA

A

AI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Wood’s light

A

fluorescence = depigmented skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

melasma MOA

A

often hormonal change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

primary causes of EM

A

HSV

mycoplasma pneuomoniae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

kaposi - classic

A

lower legs +/- edema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

HHV8

A

kaposi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

erythema nodosum causes

A
idiopathic
sarcoid
strep 
OCP
TB
inflamm bowel
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

rapid onset and hand involvement

A

acanthosis nigricans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

ring worm

A

tinea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

jock itch

A

tinea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

athletes foot

19
Q

snake like

A

tinea- “ring worm”

20
Q

edge-active

A

tinea

where fungus is most abundant

21
Q

___ require oral antifungals

A

tinea capitis
tinea folliculitis
onychomycosis

22
Q

azoles and ____ are active against both dermatophytes and candida

A

ciclopirox

23
Q

why is tinea versicolor a misnomer?

A

caused by yeast not dermatophytes

24
Q

fawn color

polycyclic border

A

tinea versicolor

25
lichen planus: immuno rxn of ____ along basal layer of epidermis
helper T cells
26
Wickham's striae
lichen planus oral white lines
27
``` parkinsons HIV DM epilepsy neuroleptic ``` assoc
seborrheic dermatitis
28
hs of eczema w no resolution
cutaneous T cell lymphoma
29
skin cancer w highest incidence
basal cell CA
30
Bowen's diseae
SCC in situ slow growing flat w/ silvery scale well demarcated
31
keratoacanthoma
SCC variant rapidly growing low met risk spontaneous remission
32
corticosteroid immuno targets
``` inhibit.. NF-kB TNF-a cycloocygenase adhesion molecules ```
33
corticosteroid AE
``` skin atrophy steroid acne glaucoma, cataracts worsened cutaneous infec allergic contact dermatitis poss systemic sx ```
34
wet rashes
lotion/gel
35
shave biopsy
epi and part of derm for BCC, SCC
36
punch biopsy
all 3 layers plus subQ fat - any pigmented lesion - rash - eruption
37
ephilid vs solar lentigo
ephilid --> small, brown, sun exposed skin, fades w UV abstinence solar lentigo --> tan patch, photo distribution, older pt
38
inc activity of melanocytes along basal layer
solar lentigo
39
lesser trelat sign
tons of seborrheic keratoses all at once
40
button hole sign
if poked, skin indents and NEUROFIBROMAS are slow to pop back up
41
Dermatitis herpetiformis is a chronic, intensely _____, vesicular disease
pruritic
42
An ___ workup is appropriate with facial molluscum contagiosum involvement in adults.
HIV | suggest pt is immune compromised
43
Melanocytic nevi are tan to brown macules or papules that often first appear in _____
childhood
44
HHV7
pityriasis rosea