9 - Derm - Viral infections - HSV

Question 1

types of HPV? differences?

Answer 1

type 1 - cold sores - 50% of population

type 2 - anogenital (genital can also be T1)

Question 2

Cold sores - transmission? commonly affects what? initial what? followed by?

Answer 2

direct/droplet infection
vermillion border of lips
initial pain/tingling, followed by vesicular eruption

Question 3

cold sores - common ass feature? % who suffer recurrent attacks? what are these precipitated by? mgmt?

Answer 3

lymphadenopathy
30-50% suffer recurrent attacks - by trauma, ERTI, UV, surgery

topical aciclovir

Question 4

genital herpes - prodrome? then? burst to form?

Answer 4

flu like prodrome

then grouped vesicles/papules around genitals/anus, burst to form shallow ulcers

Question 5

genital herpes - % recurrent? mgmt?

Answer 5

95% are recurrent

mgmt - oral aciclovir

Question 6

what is herpetic whitlow

Answer 6

abrasions/inoculations may cause acute localised infection with vesiculation and blistering

Question 7

all HSV complications - 7

Answer 7

gingivomastitis, keratoconjunctivitis, bells palsy, eczema herpeticum, erythema mulitforme, HSV meningitis/encephalitis, disseminated infection (in imm suppressed)

Question 8

gingivomastitis - 3 Sx

Answer 8

pain
fever
vesicles and ulcers in mouth filled with yellow slough

Question 9

keratoconjunctivitis

Answer 9

ulcer on superficial cornea, risk of permanent scarring

Question 10

bells palsy

Answer 10

facial nerve paralysis due to nerve infection

Question 11

eczema herpeticum

Answer 11

infection of eczematous skin, punched out erosions, requires systemic aciclovir