viral Causes of Oral Ulcerations Flashcards Preview

Microbiology 2 > viral Causes of Oral Ulcerations > Flashcards

Flashcards in viral Causes of Oral Ulcerations Deck (30):
1

how many types of herpes simplex virus is there

2
type 1
type 2

2

when is type 1 commonly acquire

childhood

3

what type of HSV is the cause of oral lesions

type 1

4

what is a common way of infection with HSV

through saliva contact
saliva acts as resevoir

5

what si a common manifestation of HSV1

primary gingivostomatitis

6

what does primary gingivostomatitis infect

disease of pre school children

7

what does primary gingivostomatitis present like

skin around mouth = vesicles 1-2mm
pustules
ulcers
scabs

8

what are th systemic upsets of primary gingivostomatitis

fever
local lymphadenopathy (enlarged lymph nodes)
dehydration and malnourishment due to reluctance to eat/drink

9

what si the recovery period of primary gingivostomatitis

up to 3 weeks
may spread beyond mouth
acyclovir treatment - shorten course but not rid of immediately

10

what is latency

after primary infection
inactive virus in CNS trigem nerve
can reinfect mucosal surfaces if reactivated

11

what causes a cold sore

reactivation from nerves causes active infection
from various stimuli

12

how are cld sores treatment

acyclovir therapy or suppression

13

are all activations symptomatic

no

14

does aciclovir have latency

no

15

how does natural history of cold sores affect frequency

decreasing

16

oral herpetic lesions usually caused by

HSV1

17

what is herpetic whitlow

occupational hazard
use of gloves prevent
infection at nail folds of fingers/thumb

18

what is one of the most severe manifestations of HSV

herpes simplex encephalitis (brain tissue inflam/infection)
fatal

19

what is herpangina

at back of mouth
vesicles/ulcers on soft palate

20

wha causes herpangina

enteroviruses
- coxsackie not HSV

21

who does herpangina affect most

pre school children

22

how is herpangina diagnosed

clinically or by PCR test swab in viral medium

23

what causes hand, foot and mouth disease

enteroviruses - coxsackie
family outbreaks

24

what are aphthous ulcers

non viral
self limit
recurring painful ulcers

25

what ar the aphthous ulcers appearance

round or ovoid and have inflam halos

26

where and when do aphthous ulcers occur

confined to mouth
absence of systemic disease
in childhood
each user lasts 3 weeks

27

what are the types of recurrent ulcers assc with systemic disease non viral

behcets disease
gluten sensitive enteropathy or inflame bowel disease
reiters disease
drug reactions
skin diseases

28

what is behcets disease

recurrent oral ulcers
genital ulcers
uveitis (eye inflam iris)
inv GI, CV

29

what are some skin diseases of ruccurent ulcers assc with systemic disease

lichen planus
pemphigus
pemphigoid

30

how does primary syphilus present

chancre
-painless indurated - hard to touch
- commonly genitals but oral lesions also
- lead to secondary or tertiary