Pigmented Lesions Flashcards
Smokers melanosis site
Anterior labial gingiva
Most common melanotic lesions
Melanotic macule (focal melanosis)
Brownish flat oral well demarcated with a diameter if 7mm or less , discolouration caused by focal increase in melanin deposit commonly seen VERMILLION ZONE OF LOWER LIP
Melanotic macule
Nevus- flat raised dark growth 1cm in size commonly found intraorally
Hard palate
Which type of nevus is more malignant
Congenital nevus
Common form nevus
Acquired nevi
Most common type of acquired nevus intraorally
Intramucosal
Autosomal dominant, multiple pigmented macules- lower kips and around it , GI polyps - jejum and ileum, stomach pain rectal bleeding diarrhea
Puetz jeghers syndrome
Generic disorder, pilyostotic fibrous dysplasia, cafe au lait spots - well defined irregular unilateral tan macules on trunk and thigh, oral mucosal macules, endocrine dysfunction
McCune albright syndrome
High ACTH- more melanin, adrenal insufficiency, diffuse/patchy macule on gingiva tongue hard palate- sudden appearance with systemic symptoms weightloss nausea fatigue vomiting
Addisons disease
Chloroquine
Blue grey or blue black discolouration on palate
Minocycline pigmentation
Underlying alveolar bone
