HIGH YIELD

Question 1

incubation period is approx how long?

Answer 1

2-6 months

Question 2

spontaneous remission occurs how in children?

Answer 2

2/3 of children within two years

Question 3

what is this disease:

infects skin and mucous membranes
verrucae are the most common clinical manifestations of HPV infection

type 1 commonly infect the soles of the feet and produces plantar warts
type 6 and 11 cause anogenital warts

most common in children, the warts have high viral loads, more common in whites, infection occurs by direct skin contact inoculation

Answer 3

HPV

Question 4

what percent of verrucae regress over the first 3-5 months?

Answer 4

30 percent

Question 5

in the diagnosis of verrucae, what is a confirmation test?

Answer 5

dermoscopy 
-thrombosed capillaries, black to red dots and globules
or
-epidermal ridge flattening
-dilated dermal papillae
-petechial hemorrhage

Question 6

ddx of plantar verrucae?

Answer 6

heloma durum or heloma mole

plantar keratoses

Question 7

wart differentials?

Answer 7

talon noir
seborrheic keratosis
acrochordons, or skin tag
lichen planus
lichen nitidus 
cutaneous cancers
SCC aka bowens disease

Question 8

name this disease?

may obscure normal skin lines but lack thrombosed capillaries?

Answer 8

heloma durum

Question 9

name this disease?

aka plantar corn
isolated plantar keratosis
porokeratosis

Answer 9

plantar keratoses

Question 10

name this disease?

dried erythrocytes deposited in the epidermis of the heel after trauma can mimic thrombosed capillaries within plantar warts

corneal hemorrhage

skin lines note disrupted

Answer 10

talon noir or black heel

Question 11

name this disease?

papules or plaques with a sudden appearance and horn cysts visible on close examination

often pigmented

dermoscopy

• milia like cyst
• crypts
• comedo like openings

Answer 11

seborrheic keratosis

Question 12

name this disease?

pedunculate skin colored papules

Answer 12

skin tags, acrochordons

Question 13

name this disease?

flat topped papules of lichen plants

• asymmetric distribution, wickhams striae, and oral involvement suggests lichen planus
• T cells directed against basal cells
• associated reported with Hep C

Answer 13

lichen planus

Question 14

name this disease?

globoid papules may be confused with flat warts

• numerous
• abnormal inflammatory activity in skin cells
• cause of the inflammation is unknown

Answer 14

lichen nitidus