Viral Skin Infections

Question 1

common wart, caused by HPV

Answer 1

verruca vulgaris

Question 2

a patient presents with firm papules with hyperkeratotic and clefted surfaces; characterized as “red or brown dots”. what is the diagnosis and treatment (3)?

Answer 2

verruca vulgaris

imiquimod cream
podofilox solution
podophyllin cream

Question 3

genital warts caused by HPV and is considered an STI

Answer 3

condyloma

Question 4

a patient presents with pedunculated (elongated stalk) with variations in color on their genitals. what is the diagnosis and treatment (3)?

Answer 4

condyloma

imiquimod cream
podofilox solution
podophyllin cream

Question 5

when is herpes simplex contagious?

Answer 5

at all times

Question 6

what is the difference between a first infection of herpes simplex and a recurrent infection?

Answer 6

first infection comes with systemic symptoms + skin outbreak

recurrent is less severe without systemic symptoms

Question 7

a patient presents with fever, chills, fatigue, myalgias + burning skin with small grouped vesicles on erythematous base. what is the diagnosis and treatment?

Answer 7

herpes simplex (primary)

valacylcovir or famciclovir x 1 week

Question 8

fingertip infection that is extremely painful and caused by HSV

Answer 8

herpetic whitlow

Question 9

what are 3 diagnostics that are helpful for herpes simplex?

Answer 9

tzanck smear
HSV PCR
antibody testing for IgG

Question 10

a patient presents with burning skin with small grouped vesicles on erythematous base without systemic symptoms. what is the diagnosis and treatment?

Answer 10

recurrent herpes simplex

valacyclovir or famciclovir x 3 days ASAP

Question 11

self-limited epidermal poxviral infection that is transmitted by wet skin-to-skin contact

Answer 11

molluscum contagiosum

Question 12

a patient presents with solid, umbilicated, flesh-colored papules 3-5 mm. what is the diagnosis and treatment?

Answer 12

molluscum contagiosum

no treatment

Question 13

in a patient with molluscum contagiosum, how can we tell the infection is regressing?

Answer 13

erythematous halo

Question 14

what is varicella zoster also known as? (2)

Answer 14

shingles
herpes zoster

Question 15

what is the etiology of varicella zoster? (2)

Answer 15

varicella virus
chickenpox

Question 16

a patient presents with a unilateral, dermatomal rash that burns, itches and it painful. they have tense vesicular lesions +/- on erythematous base that are grouped and distributed unilaterally along a dermatome. what is the diagnosis and treatment?

Answer 16

varicella zoster

acyclovir, valacyclovir, or famciclovir within 72 hrs

Question 17

how is varcella zoster contagious?

Answer 17

fluid in vesicles is contagious

Question 18

lesion to tip of nose leading to ophthalmic herpes zoster. what is this called and what does this require?

Answer 18

hutchinson’s sign
emergency ophthalmology

Question 19

what can be used to reduce pain in varicella zoster?

Answer 19

oral corticosteroids

Question 20

when can we tell patients to expect a full resolution for varicella zoster?

Answer 20

in 2-3 weeks

Question 21

in which two patients is varicella zoster vaccine recommended?

Answer 21

patients over 50 yo

immunosuppressed patients over 19 yo