ch 12 Flashcards
(56 cards)
What is inflammatory papillary hyperplasia? Who get it? Where does it occur
Reactive tissue growth under a denture
People that wear dentures 24/7, ill fitting dentures
Hard palate
DON’T NEED TO KNOW!!!What is fibrous histiocytoma? another name
a fibroma on the skin (dermatofibroma)
DON’T NEED TO KNOW!!!Where’s the most common location for oral focal mucinosis?
gingiva
What is a pyogenic granuloma? (granuloma gravidarum) Where is it? What does it look like? What type of person gets it? How quick does it occur?
Not a real granuloma, but a reactive lesion to irritation or trauma (blood vessels that proliferate) Gingiva (or elsewhere) Red big bump on the gums Pregnant Occurs very quickly
Four most common things to diagnose as a bump on the gums?
IFH (inflammatory fibrous hyperplasia)
Pyogenic granuloma
Peripheral Giant cell granuloma
Peripheral ossifying fibroma
What’s a peripheral giant cell granuloma? Where is it? What happens to the bone underneath it? Histology?
Blue/purple reactive lesion
Only on the gingiva
“cupping resorption”
Giant cells
What two things only occur as bumps on gingiva area only?
Peripheral ossifying fibroma
Peripheral giant cell granuloma
What does a peripheral ossifying fibroma look like? HIstology
Bump on the gingiva, normal tissue colored
Bone in the fibrous CT
What is a lipoma? what’s it most common for? What does it float in? What color usually?
Benign tumor of fat
Most common mesenchymal neoplasm
Formalin
Yellow
What’s a neuroma? Where is it most common? Is it painful?
Proliferation of neural tissue after nerve injury
Mental foramen area
1/3 painful
What drug causes drug induced hyperplasia the most?
Phenytoin
What could inflammatory papillary hyperplasia also look like? (which one is more red)
Denture stomatitis (inflammatory papillary hyperplasia)
Where does a peripheral ossifying fibroma most often occur?
Incisor-cuspid region (50% of the time)
What does PEN stand for?
Pallisaded encapsulated Neuroma
What’s a schwannoma? What to know histologically? Most common location?
Slow growing tumor by nerve trunk.
Antoni A: Verocay bodies (organized part) Antoni B: disorganized everything else.
In the mouth
What does Neurofibroma cause? Another name? What does it feel like? What is the plexiform variant?
Neurofibromatosis type 1:
Von recklinghausen’s disease of the skin
Feels like a bag of worms
The variant that is pathognomonic (you for sure have it)
What are the diagnostic criteria for Neurofibromatosis type 1?
- Six or more cafe au lait macules (coast of california)
- two or more NF or one plexiform NF
- fleckling in the axillary region (crowes sign)
- two or more iris hamartomas (Lisch nodules)
What is a cafe au laite macule?
coffee and milk (light brown macules) in NF1
What are lisch nodules?
iris freckling in the eye of NF1
What are crowes sign?
Freckling in the axillary region of NF1
What is MEN 2B?
Multiple endocrine neoplasia Type 2b
What are three things that develop from MEN 2b (3 things)
- Adrenal gland tumor (PHeochromocytoma)
- Thyroid tumors (medullary carcinoma)
- Mucosal neuromas with most likely in the mouth
What’s typically the first sign of MEN 2b?
Multiple Oral mucosal neuromas (usually only one neuroma)
What do bilateral neuromas of the commissural mucosa possibly indicate?
MEN 2b
