ORAL MED - white patches Flashcards
what is the aetiology of white sponge nevus?
hereditary but may also be sporadic
very rare
what are signs and symptoms of white sponge naevus?
asymptomatic
may feel rough
what are the clinical features of white sponge naevus?
white/greyish white patches which merge with the surrounding normal mucosa
firmly adherent
no erythema or ulceration
surface is folded, soft and spongy
affects any area of oral mucosa, very variable
other than the oral cavity, where else does white sponge naevus affect?
oesophagus
nasal
genital
ano-rectal mucosa
skin, nails, hair
what investigations are performed for white sponge naevus?
diagnosis made clinically and with family history
genetic testing for mutation - keratin 4 +/or 13
what is the management of white sponge naevus?
explanation of condition - not potentially malignant
what is the aetiology of leukoedema?
secondary to low grade mucosal irritation, causing intracellular oedema in superficial layers of epithelium
what are signs and symptoms of leukoedema?
asymptomatic
what are clinical features of leukoedema?
buccal and labial mucosa filmy white/grey appearance
soft on palpation
what investigations are performed for leukoedema?
diagnosis made on clinical grounds
what is management of leukoedema?
explanation of condition
advice - potential source of irritation
what is the aetiology of epitheliolysis (oral mucosal peeling)?
secondary to mucosal irritation by toothpaste, mouthwashes
sodium lauryl sulphate in toothpaste
what are signs and symptoms of epitheliolysis?
asymptomatic
what are the clinical features of epitheliolysis?
strands of gelatinous milky white material
removable by wiping
no abnormality to underlying tissue
what investigations are performed for epitheliolysis?
diagnosis normally made on clinical grounds
what is the management of epitheliolysis?
explanation of condition
avoidance of sodium lauryl sulphate containing products, cease mouthwash use
what is the aetiology of traumatic keratosis?
secondary to physical (frictional), chemical, thermal irritation
what are the signs and symptoms of traumatic keratosis?
asymptomatic
affected areas may feel rough or ridged to the tongue
what are the clinical features of traumatic keratosis?
white plaque not removed by rubbing/ scraping
may have a shaggy surface, appear macerated or be associated with ridging
clinical appearance should match cause
what investigations should be performed for traumatic keratosis?
diagnosis made on clinical grounds
biopsy if cause not clear
what is the management of traumatic keratosis?
explanation of condition
management/ removal of cause
if lesion does not resolve - biopsy
what causes stomatitis nicotina?
smoking related
60% pipe smokers
30% cigarette smokers
is stomatitis nicotina malignant?
not potentially malignant