Viral cutaneous infections Flashcards Preview

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Flashcards in Viral cutaneous infections Deck (18):
1

Herpes simplex- Eti

HSV 1 & 2 viruses. Initial rash is worst, followed by recurrence.

2

Herpes simplex- Sx

grouped vesicles with erythematous base, prodromal symptom with recurrence.
Herpes labialis- latent in trigeminal ganglion, occurs on vermillion border

3

Herpes simplex- Dx

Tzanck smear- multinucleate and enlarged cells present on microscopy, antibodies

4

Herpes simplex- Tx

Acyclovir or valacyclovir as prophylaxis or treatment of outbreak

5

Herpes Zoster- Eti

Previous varicella infection from childhood, dormant in nerve root ganglion- age 60

6

Herpes Zoster- Sx

Prodrome of pain and tingling, dew drops on rose petals, follows dermatome, grouped vesicular lesions

7

Herpes Zoster- Dx

Clinical findings & Tzanck test

8

Herpes Zoster- Tx

vaccine to prevent, acyclovir to treat

9

Molluscum contagiosum- Eti

Poxvirus- transmitted by skin contact, more common in children, AIDS

10

Molluscum contagiosum- Sx

Central umbilcation on papule/nodule/tumor. Round to oval isolated lesions. May have keratotic plug

11

Molluscum contagiosum- Dx

Clinical findings

12

Molluscum contagiosum- Tx

Nothing- self limiting. Can curettage or electrodessication

13

Verrucae- Eti

Skin transmission through damaged skin, HPV virus

14

Verruca vulgaris- Sx

firm, vegetative papules, isolated to scattered, red or brown dots, linear arrangement

15

Verruca plantaris- Sx

small, shiny, sharply marginated papule to plaque, thromboses capillaries

16

Verruca plana- sx

Flat warts, sharply defined, on face, beard, hands, dorsa of hands

17

Verruca- Dx

Clinical, may biopsy, acetowhitening on mucus membranes

18

Verruca- Tx

Liquid nitrogen, cantharone, desiccation, laser