Viral infections

Question 1

Describe VZV (chickenpox) skin lesions?

Answer 1

• Small vesicles or blisters on an erythematous base.

- usually limited to 1 or 2 dermatomes, affects 1 nerve, usually unilateral

Question 2

Which HPV causes focal epithelial hyperplasia of Heck?

Answer 2

HPV 13,32.

Question 3

HSV-2 reactivates from ?

Answer 3

• Sacral ganglia.

- Reccurences rate(50%).

Question 4

What is the prodromal symptom of zoster ?

Answer 4

Pain

Question 5

Causes of genital warts (condylomata acuminata)?

Answer 5

• HPV 6,11 : STD.

- HPV 16,18,31,33 : cervical and rectal cancer.

Question 6

Which HPV causes high-grade intraepithelial neoplasias ?

Answer 6

HPV 16,18,31,33,45,51,56.

Question 7

latent phase of VZV in?

Answer 7

Sensory root ganglia

Question 8

what will u do if u have patient with atopic dermatitis and HSV?

Answer 8

u have to admit him/her to the hospital coz it means severe onset of HSV.

Question 9

molluscum contagiosum is caused by ?

Answer 9

DNA pox virus.

Question 10

Which HPV causes common warts “Verruca vulgaris”?

Answer 10

HPV 1,2,3,4,7,10,41.

Question 11

Genital warts (condylomata acuminata) is usually treated with ?

Answer 11

• Cryotherapy.
• Trichloroacetic acid.
• Imiquimod cream.
• Topical podophyllin.

Question 12

describe the lesions of VZV?

Answer 12

Unilateral skin lesions (chest, head)

Question 13

Most cases of erythema multiforme are related to an infection caused by ?

Answer 13

• HSV.

Question 14

HSV-1 reactivates from ?

Answer 14

• Trigeminal ganglia.

- Reccurences rate(20-40%)

Question 15

herpes progenitalis is an indication for ?

Answer 15

Cesarean section.

Question 16

HAND – FOOT - MOUTH DISEASE is caused by ?

Answer 16

● Coxsackievirus A16, enterovirus 71.
● Other: coxsackie viruses A5, A7, A9, A10, A16, B1, B2, B3, B5; echoviruses, enteroviruses.
- Most comonly seen in summer or fall.

Question 17

Which HPV causes Epidermodysplasia verruciformis ?

Answer 17

HPV 2,3,10,12,15,19, 21-25 and HPV 5,8

- High malignant potential in EV

Question 18

When can we use SYSTEMIC TREATMENT in HERPES ZOSTER ?

Answer 18

● Any localisation in patients > 50 yr
● Herpes zoster of the head/neck in any age
● Severe skin lesions on the trunk/limbs
● Immunosupression.
● Patients with severe atopic dermatitis or eczema.

Question 19

Ramsay’s hunt syndrome ?

Answer 19

when shingles affect facial nerve near one of the ears, it can cause facial paralysis and hearing loss.

Question 20

Which HPV causes low-grade intraepithelial neoplasias

(condyloma accuminatum, laryngeal papillomas) ?

Answer 20

HPV 6,11.

Question 21

where is the most common location for herpes zoster ?

Answer 21

face