Summary of Notes Flashcards
what is non-steroid topical therapy for
inconvenient lesions
what is steroid topical therapy for
disabling immunologically driven lesions
name some non-steroid topical therapies
chlorhexidine
benzydamine
bonjela
name some steroid topical therapies
hydrocortisone mucoadhesive pellet
betamethasone
beclomethasone MDI
what is the betamethasone prescription
dissolve 1mg in 10mls of water
rinse for 2 mins twice daily
what is beclomethasone prescription
50mcg inhaler
position over area
2 puffs 2-4x daily
what blood tests do patients need before starting systemic steroids
BBV screen
ferritin, folate, vitamin B12
FBC
electrolytes
liver function
pregnancy
what is keratosis
keratin production
what is acanthosis
thickening due to hyperplasia of stratum spinosum
what is elongated rete ridges
hyperplasia of basal cells
what is geographic tongue and what does it look like
alteration to maturation and replacement of normal epithelial surface
areas are semicircular white and red patches which can become sensitive
what is black hairy tongue and treatment
elongation of surface papilla becoming food stained
can be from bacterial colonisation/smoking
tongue scraper/nectarine stone
what is fissured tongue and implications
asymptomatic variation of normal
food trapping so inflammation and candida
what is glossitis and what treatment
smooth tongue with red appearance (atrophy)
investigate haematinics and fungal cultures
when are swellings referred
symptomatic
abnormal overlying and surrounding mucosa
increasing in size
rubbery
unsightly
why are lesions white
thickening of keratin meaning you cant see blood
less blood in tissues
what are fordyce spots
ectopic sebaceous glands
what is hereditary keratosis
white sponge naevus starting posteriorly and spreading anteriorly
fluid accumulation between cells
when do you refer a white lesion
raised/thickened
it is without cause
if on lateral tongue/soft palate/FoM
what are red lesions caused by
reduced flow causing inflammation
reduced thickness of epithelium
what are the features of mucosal melanoma
variable irregular outline with raised surface and would itch/bleed
what do you ask for ulcer history
where
blister or ulcer
if recurrent
size/shape
how long
same place
ulcer free period
what is recurrent herpetic lesions and where are they
ulceration is limited to one nerve group/branch
hard palate and recurs in the same place
patient aware of prodromal period with vesiculation
what is minor RAS
<10mm
lasts 2 weeks
non-keratinised mucosa
heal without scarring
responds to topicals
what is major RAS
> 10mm
lasts months
any part of mucosa
can scar
intralesional steroids better
what is herpetiform RAS
many small ulcers on non-keratinised mucosa
lasts 2 weeks
coalesce
not herpes
what is Behcets
oral-genital ulceration
need 3+ episodes of mouth ulcers a year and 2 of genital sores/eye inflammation/skin ulcers/pathergy
how do you treat Behcets
treat RAS
systemic immunomodulation (colchicine/azathioprine/mycophenolate)
what is the predisposition to RAS
genetics
systemic disease
stress
trauma
hormone fluctuations
viral and bacterial
what is aphthous ulcers like on a cellular level
damage to basal cells at basement membrane so cannot produce epithelial replacement cells
what are the investigations for aphthous ulcers
haematinics
coeliac disease
allergy testing
how do you manage RAS
correcting deficiencies
refer if coeliac
avoid SLS toothpaste
non-steroid topicals for inconvenient lesions
steroid topicals for disabling lesions
what are the patterns of lichen planus
reticular
atrophic
erosive
how do you manage RAS in children
3 month iron supplements
refer if no working treatment and children under 12
what is lichen planus like histologically
lymphocytic band hugging membrane
saw tooth rete ridges
basal cell damage
patchy acanthosis
parakeratosis
what is the immunology of lichen planus
langerhans cells present antigen to immune cells and lymphocytes activate to remove irritation
what drugs cause lichen planus
DMARDS - gold, quinine, B blockers, ACE inhibitors
what is lichen planus like on the gingiva
desquamative gingivitis
what do lichenoid drug reactions look like
bilateral
mirrored
respond poorly to treatment
when is amalgam replaced for amalgam reactions
if symptomatic or potentially malignant
management for mild lichenoid lesions
OTC chlorhexidine
benzydamine
avoid SLS
management for persisting lichenoid lesins
topical steroids - beclomethasone/betamethasone
what is the specialist management for lichenoid lesions
higher strength topicals
tacrolimus
clobetasol
hydroxychloroquine
azathioprine
mycophenolate
what is GVHD
transplant marrow sees host marrow as foreign and rejects the host
lymphocytic band along basement membrane and change in keratinisation
NO SAW TOOTH RETE RIDGES
what is lupus erythematous histologically
lymphocytic infiltrate deeper into connective tissue away from basement membrane
name 2 lichen like lesions
GVHD
lupus erythematous
how do you treat lichen like lesions
symptomatically like LP and liaise with physician
risks for oral cancer
smoking
drinking
socioeconomic
poor oral health
sexual activity
how to reduce oral cancer risk
stopping smoking and drinking
increase intake of fresh fruit and veg
what does low grade dysplasia show
tumour comes from normal epithelium
architectural changes in lower third
slight atypia
increased keratin production
well defined tumour islands with basal cell layer
invasion pattern with large rete ridges into connective tissue