Ch 12 Flashcards
Lesion caused by ill fitting dentures
Epulis fissuratum
What are the three P’s and the F of bump on the gums
Pyogenic granuloma ( can occur anywhere)
Peripheral ossifying fibroma (exclusively on gingiva)
Peripheral giant cell granuloma
Fibroma
what drug causes
Phenatonin
What is another name for pyogenic granuloma
Pregnancy tumor or granuloma gravidarum.
Not a true granuloma.
Which granuloma causes cupping of the underlying alveolar bone
Peripheral giant cell granuloma
What is the most common mesenchymal neoplasm
Lipoma
What floats in formalin
Lipoma
What lesion might be colored yellow or mucosal colored
lipoma
50% of lipomas occur in
The buccal mucousa
What is a neuroma
Proliferation of neural tissue after nerve injury
What tissue is organized on histology of Schwannoma
Antoni A
What is freckling in the axillary region
Crowe’s sign
What are lisch nodules
Two or more iris hamartomas
Which disease has coast of california cafe au lait
Neurofibromatosis type I
What test is used for melanotic neuroectodermal tumor
High urinary levels of Vanillylmadelic acid VMA
S-100 is positive for
melanotic neuroectodermal tumor
What is the most common tumor of infancy
Hemangioma
What is a fibroma
a benign tumor of fibrous connective tissue in response to local irritation or trauma
What is the most common tumor of the oral cavity
Fibroma
What is the most common location of a fibroma
buccal mucosa along the bite line
What fibrous tumor does not seem to be associated with chronic irritation
Giant cell fibroma
Which fibroma tends to occur at a younger age
Giant cell fibroma
What tumor is associated with mandibular cuspids
Retrocuspid papilla
What is the name given to Inflammatory fibrous hyperplasia in association with ill fitting dentures
Epulis Fissuratum
Where does epulis fissuratum usually develop
facial aspect of the alveolar ridge.
What tissue growth is associated with poor denture hygiene and wearing it 24 hrs a day
Inflammatory papillary hyperplasia
What are possible tx for inflammatory papillary hyperplasia
Removal of denture
Antifungal therapy ( candidal)
Surgical removal
What tumor exhibits fibroblasic and hisitiocytic differentiation
fibrous histiocytoma (true neoplasm)
What is a fibrous histiocytoma on the skin
dermatofibroma
What tumor results from the overproduction of hyaluronic acid by fibroblasts
Oral focal mucinosis
Oral focal mucinosis shows predilection for
Young females
What is the color of pyogenic granuloma
red
What are the most common sites for pyogenic granuloma
Gingiva 75%
lips
tongue
buccal mucosa
Pyogenic granuloma has a ______ predilection
Female due to vascular effects of female hormones
What color is associated with Peripheral giant cell granuloma
Blue or purple
What lesion occurs exclusively on the gingiva or edentulous alveolar ridge
Peripheral giant cell granuloma
what tumor occurs mostly in the maxillary incisor-cuspid region and is pink in color
POF; peripheral ossifying fibroma
What is the common age for POF
15; teenagers and young adults
What is a lipoma
Benign tumor of fat
What is the most common mesenchymal neoplasm
Lipoma
What results from the proliferation on neural tissue after nerve injury
Neuroma
What is the most common area for a neuroma
Mental foramen area
What tumor arises in association with a nerve trunk
Schwannoma/Neurilemoma
Bilateral schwannomas of auditory vestibular nerve are a characteristic feature of
Neurofibromatosis type II (NF2)
What is Antoni A tissue
Streaming of fascicles of spindle-shaped Schwann cells that form a palisades arrangement around Verocay bodies
What is the most common type of peripheral nerve neoplasm
Neurofibroma
Patients with neurofibromas must be evaluated for_____
Neurofibromatosis
What is another name for Neurofibromatosis I (NF1)
Recklinghausen’s disease of the skin
What is pathognomonic
If you have it, you have the disease.
What is the diagnostic criteria for NF1
Six or more cafe au lait macules. Coast of California Crowe's sign Lisch nodules Enlargement of the fungiform papilla Intraoral neurofibromas Enlargement of the mandibular foramen or canal
Multiple Endocrine neoplasia is also know as
MEN 2B or MEN 3
What are some characteristics of MEN 2B
Adrenal gland tumors (pheochromocytoma
Thyroid tumors (medullary carcinoma)
Mucosal neuromas with a predilection for the oral cavity
Marfanoid build
Narrow face with thick and protuberant lips
At what age does Multiple endocrine neoplasia is usually diagnosed
18-25 and has a high propensity for metastasis
What tumor usually occurs during the first year of life
melanotic neuroectodermal tumor of infancy
what is the test for melanotic neuroectodermal tumor of infancy
High urinary levels of vanillylmandelic acid (VMA)
What are the most common sites for Granular cell tumors
Tongue 50%, usually dorsal
Granular cell tumors exhibit significant
Pseudoepithiliomatous hyperplasia (PEH)
PEH can be misdiagnosed for
squamous cell carcinoma
Granular cell tumor would be positive for what test
S-100
Congenital Epulis occurs almost exclusively where
Alveolar ridges of newborns
Congenital Epulis is 3X more common in what ridge
Maxillary, usually by lateral incisor-canine area
Congenital epilus occurs mostly in F or M
Females 90%
Congenital epilus is negative for what test
S-100