pemphigus and salivation Flashcards
what is the most common form of pemphigus
pemphigus vulgaris
what do antibodies attack in pemphigus
desmosomes
they join epithelial cells together therefore adhesion is lost and intra epithelial bullae form
describe a pemphigus blister
intra epithelial bullae
few cells above and round lesion therefore epithelial layer will thin and eventually disappear
rare to see intact bullae
will present as mucosal erosion and surface loss
what cells are characteristic of pemphigus
tzank cells
what will direct immunofluorescence show if pemphigus is present
antibody binding all around cells
characteristic ‘basket weave’
name 3 functions of saliva
acid buffering
mucosal lubrication - aids speech and swallowing
taste facilitation
name 3 potential causes of a dry mouth
salivary gland disease
drugs
medical conditions
radiotherapy and cancer treatment
anxiety
amyloidosis
deposition of protein amyloid
can be deposited in salivary glands preventing proper function and leading to dry mouth
haemachromatosis
excess storage of iron within tissues eventually preventing function
can occur in salivary glands
FBC will show very high ferritin levels
describe 1-3 on the challacombe scale
mild dryness, sugar free gum and attention to hydration needed
1. mirror sticks to buccal mucosa
2. mirror sticks to tongue
3. saliva frothy
describe 4-6 on the challacombe scale
moderate dryness, sugar free gum recommended. substitutes and topical fluoride may be helpful
4. no saliva pooling in floor of mouth
5. mild depapillation on tongue
6. altered gingival architecture e.g smooth
describe 7-10 on the challacombe scale
indicates severe dryness, saliva substitues and topical fluoride needed
7. glassy appearance of mucosa
8. tongue lobulated/ fissured
9. cervical caries on more than 2 teeth
10. debris on palate
describe the unstimulated whole salivary flow test
patient given tube to spit into and volume of saliva produced is measured over 15 mins
If more than 1.5ml produced in 15 mins they dont have an objective dry mouth
name 2 situations where a patient may think they have hypersalivation
cerebral palsy - postural drooling - difficulty keeping head in upright position makes swallowing a challenge
stroke - swallowing failure
what surgery may be done to combat postural drooling
duct repositioning e.g into pharynx