viral skin infections and viral xanthems

Question 0

all warts are caused by

Answer 0

HPV

Question 1

the only reason you biopsy a genital wart is to

Answer 1

check for cancer

Question 2

30-40 types of HPC produce

Answer 2

anogenital warts

Question 3

15-20 types of HPV are

Answer 3

cancerous

Question 4

in F<30, HPV is

Answer 4

transient

Question 5

in F>30, HPV is

Answer 5

persistant and can turn to cervical cancer

Question 6

what do you protect HPV with

Answer 6

gardasil

Question 7

appearance of warts

Answer 7

raised projection with blood vessels
uniform mosaic pattern from above
hyperkeratotic surface with papillomatosis

Question 8

scale removal of warts shows

Answer 8

punctuate vessels (vs corn which has smooth base)

Question 9

non-uniform pattern found in

Answer 9

seborrheic keratosis

Question 10

plantar warts

Answer 10

similar to corn/callus, but their base with punctuated microhemorrhages is diagnostic

*remove only if painful

Question 11

digitate warts

Answer 11

digits, occurs on thin skin surface

Question 12

genital warts

Answer 12

warts spread rapidly on moist mucous surfaces, but are also easy to treat

Question 13

plane or flat warts

Answer 13

hard to treat

Question 14

anal warts in kids

Answer 14

suspect abuse

Question 15

seborrheic keratosis

Answer 15

benign skin growth- not viral

Question 16

pearly penile papules

Answer 16

anatomy variant of normal (angiofibroma) that may wart

Question 17

molluscum contagiosum

Answer 17

multiple dome shaped pink papules

umbillicated and contain a caseous plug

Question 18

what type of virus is molluscum contagiousum

Answer 18

poxvirus

Question 19

when do you frequently get molluscum

Answer 19

on chapped, eczema skin–>spreads–>treat eczema first

Question 20

xanthem

Answer 20

skin eruption bursting with blood

wide=spread, symmetric, erythematous, discrete or confluent macules and papules that initally do not form scale

Question 21

FIfth disease

Answer 21

URI symptoms cuased by B19 parovirus

Question 22

5th disease erythema patterns

Answer 22

facial- slapped cheap (spare nasolabial folds)

net pattern erythema- begins on extremities, 2 days after onset of facial erythema to trunks and buttocks

Question 23

when does net pattern fade

Answer 23

6-14 days

Question 24

fetal infection of 5th disease

Answer 24

can cause death

Question 25

other symptoms of adults with 5th disease

Answer 25

poly arthropathy syndrome
itching, arthralgias, arthritis
minimics RA in acute state

Question 26

hand, foot, mouth dz

Answer 26

coxsackievirus A16 and enterovirus 71

fever, cough+ cutaneous lesions- hand, feet, buttocks

Question 27

how do hand foot mouth disease lesions look

Answer 27

begin as 2-10mm red macule –>later central, gray, oval vesicle develops

Question 28

acquiring HSV

Answer 28

most infections are acquired from asymptomatic individuals

Question 29

pathway of HSV

Answer 29

enters through skin/mucous surface–>latency in DRG and other tissues–>recurrence where it ravels down nerve from DRG to skin–>outbreak with shedding, but not necessarily with lesions

Question 30

HSV1

Answer 30

primary gingibostomatis

Question 31

how does HSV1 present

Answer 31

mostly orolabial (cold sores, fever blisters)

Question 32

HSV2

Answer 32

recurrent vesicles-scattered, macerated, under foreskin

Question 33

prodrom of HSV2

Answer 33

itch, pain

Question 34

what does hSV look like

Answer 34

grouped vesicles uniform in silze–>umbilicated pustules–>crusts–>resoultions usually without scarring

Question 35

primary infection

Answer 35

6 day incubation–>vesicles over wide area–>fever–>resolves in 2 weeks

*shedding occurs before crust (vesicle/erosion)

Question 36

reactivation of HSV

Answer 36

with sunlight, stress, menstruation

Question 37

recurrent hsv infection course

Answer 37

prodrome–>grouped vesicles without fever/LAP–>resolve in 5-10 days

Question 38

tx hsv

Answer 38

acyclovir for primary-d oes not cure but is suppressive

Question 39

dx of HSV

Answer 39

culture virus, blood test, pcr