Oral Patho 3

Question 1

where aphthous stomatitis ocurrs

Answer 1

non keratinized mucosa

Question 2

aphthous stomatitis

Answer 2

canker sore

Question 3

most common aphthous stomatitis

Answer 3

minor-small shallow, surrounded by erthema

Question 4

herpes location

Answer 4

hard gingiva

Question 5

herpetiform aphthous ulcers

Answer 5

no blistering vs herpes, multiple

Question 6

blistering

Answer 6

not canker sore

Question 7

treatment of canker sores

Answer 7

corticosteroids most common

Question 8

squamous cell carcinoma

Answer 8

deadly,30,000 new cases/year

Question 9

causes of squamous cell carcinoma

Answer 9

tobacco, alcohol, and HPV

Question 10

most common squamous cell carcinoma

Answer 10

vermillion border/lower lip

Question 11

malignant cells

Answer 11

rapid/invasive growth, moves (metastasis)

Question 12

oncogenes

Answer 12

DNA which controls proliferation/metastisis

Question 13

tumor supressor genes

Answer 13

regulate growth/metastisis

Question 14

lip scc

Answer 14

most common, cancer on vermillion border (lower lip)

Question 15

intraoral SCC

Answer 15

gingival and alveolar carcinomas; painless, keratinized, dentures will not fit, post-lateral tongue

Question 16

metastatic SCC

Answer 16

Metastasis to LN-firm, non-tender, enlarged-FIXED

Question 17

Oropharyngeal SCC

Answer 17

Tonsillar Region-HPV related

Question 18

T1 tumor

Answer 18

<2cm

Question 19

T2

Answer 19

2-4cm

Question 20

T3

Answer 20

> 4cm

Question 21

Histopath

Answer 21

epithelial invasion, necrosis (b/c outgrow blood supply), desmoplasia, angiogenesis (invade blood vessels and cause them to grow to them)

Question 22

distant metastisis

Answer 22

below the clavicle

Question 23

Staging of Metastatic SCC

Answer 23

Size of LN (T1-T4)

Regional Lymph Node involvement (single vs. multiple and large vs small)

Distant Metastasis (Absent vs. Present)

Question 24

Most common stage of Metastatic SCC (T1-T4)

Answer 24

T2 and T3

Question 25

Histopathological Grading

Answer 25

grade tumors at a histopatho level

Question 26

Grade I

Answer 26

well-differentiated (low grade); tumor resembles normal (origin) tissue

Question 27

Grade IV

Answer 27

Does not resemble tissue it came from (poorly differentiated and high grade or anaplastic)-HARD to make a diagnosis

Question 28

Average Five year survival

Answer 28

64%

Question 29

Who gets Lichen planus

Answer 29

middle aged adults; F>M 2:3

Question 30

Oral lesions of Lichen Planus

Answer 30

white lace like dots on the insides of the cheeks and tongue, peeling

Question 31

Reticular Oral LP

Answer 31

Striations, papules, plaques

Question 32

Erosive Oral LP

Answer 32

Less common, symptomatic, peripheral striations and desquamative gingivitis--> Shiny red gums

Question 33

Diagnosis of LP

Answer 33

isolated solitary lesions worrisome, candidiasis, microscopic hard due to look alikes, use direct immunofluorescence (fibrinogen at BMZ)

Question 34

Treatment of LP

Answer 34

asymptomatic --> no treatment Symptomatic --> antifungals, corticosteroids, immunomodulating agents