Viral Infections

Question 1

I.C of HSV type 1

Answer 1

2-5 days

Question 2

1ry attack of HSV1 accompained with:

Answer 2

Dissmented with Fever, malaise & local lymphadenopathy with no tendency to grouping.

Question 3

Herpatic whittlow is :

Answer 3

Fingers affection as in dentists and thumb suckling children with oral herps

Question 4

Grouped vesicles on erythmatous base. DD

Answer 4

Recurrent attack of HSV1
Herpez zoster

Question 5

DD of Recurrent HSV1

Answer 5

Impetigo (honey colored crust)
Herpes zoster

Question 6

A commen PF to recurrent HSV1

Answer 6

Sun exposure

Question 7

In pregnancy, a dangrous to fetus occur with which attack of Herpes progenitalis

Answer 7

Primary attack, indicating cesarean sections

Question 8

TTT of HSV1&2

Answer 8

Topical :
- Gentian violet 2% paint or k permanganate 1/8000
- Acyclovir cream 5 tim/d for 7days
Systemic : 200×5×7
Acyclovir 200mg 5 tim/d for 7-10 days or fam or valacyclovir

Question 9

1ry infection with varicella zoster is :

Answer 9

Chicken pox

Question 10

1ry infection with varicella zoster is :

Answer 10

Chicken pox

Question 11

I.C of chicken pox

Answer 11

2-3 wk

Question 12

In chicken pox, pt is infectious :

Answer 12

4 days before eruption until lesions crusted

Question 13

The eruption in chicken pox is :

Answer 13

Itchy
Polymorphic
Centripetal (affect mainly trunk, face scalp & neck)
M.M affection as Eye, mouth & gingival

Question 14

Hearing in recurrent HSV1

Answer 14

Within 5-7 days with normal skin

Question 15

Healing in chicken pox :

Answer 15

Within 10 days without squelae

Question 16

Prodromal stage of chicken pox :

Answer 16

1-2 days showing fever, malaise & headache

Question 17

DD of chicken pox

Answer 17

Papular urticaria
Scabies

Question 18

TTT of Chicken pox

Answer 18

• Prophylactic : live attenuated vaccine or hyperimmune globulins
• Topical : gentian violet, calamine lotion
• systemic : 800×5×5
  antihistamines, Acyclovir in
  Child 20 upto 800 mg 4 tim/d for 5 days
  Adult 800 mg 5 tim/d for 5 days

Question 19

Herpes zoster caused by

Answer 19

Reactivation of latent VZV in dorsal root gang. or cranial nerve gang. In dermatomal distribution strictly unilateral

Question 20

Healing of Herpes zoster

Answer 20

Vesicle dry within 1-2 wk leaving crusts then scarring

Question 21

Trigiminal affection in Herpes zoster

Answer 21

Herpes zoster opthalmicus

Question 22

Geniculate ganglion affection in Herpes Zoster

Answer 22

Ramsay hunt syndrome

Question 23

The Most commonly complication of Herpes Zoster

Answer 23

Post-herpatic neuralgia

Question 24

TTT of Herpes Zoster

Answer 24

• Systemic (main line) 800×5×7
  Acyclovir 800 mg 5 tim/d for 7-10 days, fam or vala..
  -Painkillers
• Topical as HSV

Question 25

I.C of verruca vulgaris

Answer 25

1-8 months

Question 26

Leison of ordinary warts

Answer 26

Asymptomatic geisha papuled with verrucous rough surface

Question 27

Leisen of plane wart and its site

Answer 27

Multiple skin colored small papules with flat smooth surface Affect usaually face of children

Question 28

DD of planter wart

Answer 28

Callus : hyperkerarotic crossed by skin creases (in p.w no creases)

Question 29

DD of condyloma accuminta

Answer 29

Condyloma lata of syphilis

Question 30

Cervical intraepithelial neoplasm is a complication of

Answer 30

Genital warts (condyloma accuminta)

Question 31

TTT of Warts

Answer 31

- chemical cautery Salicilc acid 40% in plantar warts Trichloro acetic acid (TCA) safe in pregnancy - Electric cautry - Crytherapy with liquid nitrogen (-196 ) - Later - Topical keratolytic as retenoic acidosis in plane warts - 25% podophyllin in genital warts (C.I in pregnancy)

Question 32

I.C of molluscum contagiusm

Answer 32

6-9 months

Question 33

Primary leison of molluscum contagiosum

Answer 33

Solitary, painless, shiny, pearly, whiete papule & centrally umblicated

Question 34

Sites of molluscum contagiosum

Answer 34

Face, genitalia & trunk

Question 35

TTT of molluscum contagiosum

Answer 35

- Mechnical by expressing content of papule then cauterizing base - Concentrated phenol paint - Same as warts

Question 36

Complications of HSV

Answer 36

Erythema multiforme Exzema herpeticum Corneal ulcers Impetigo

Question 37

1ry site attacked by HZV

Answer 37

Epidermal keratinocytes