Ch.16

Question 1

Red rimmed shallow ulcerations

Answer 1

Herpes

Question 2

Tzanck test

Answer 2

Herpes

Positive if acantholytic keratinocytes or multinucleated Giant acantholytic keratinocytes (multinucleate polykaryons) are detected

Question 3

Acanthoysis

Answer 3

Loss of intercellualr connections

Question 4

Gray to white inflammatory membrane that can be scrapped off. In patients taking antibiotics or steroids

Answer 4

Pseudomembranous oral candidiasis (thrush)

Question 5

Small red lesions with blue white centers

Answer 5

Koplik spots

Measles

Question 6

Pharynx and tonsils covered in gray-white exudative membrane w/ LAD, petechiae

• What is it
• Due to

Answer 6

Mono

Due to EBC

Question 7

White, fibrinosuppurative, tough membrane over tonsils, Can not be scrapped off

Answer 7

Diphtheria

Due to corynebacterium diphtheriae

Question 8

Widespread lesions over the skin and mucous membranes

Answer 8

Steven-Johnson syndrome

Erythema multiforme

Question 9

Oral lesion of lateral border of tongue

Answer 9

Hairy leukoplakai

IC
EBV

White, patches of hyperkeratotic thickenings, can not be scrapped off. Balloon cells

Question 10

White, patches of hyperkeratotic thickenings, can not be scrapped off. Balloon cells

Answer 10

Hairy leukoplakia

Lateral border of tongue

Question 11

Multiple white patches in oral cavity, can not be scrapped off, sharply demarcated borders. Epithelial thickening

Answer 11

Leukoplakia

Question 12

Red velvety eroded areas
Intense subepithelial inflammation with vascular dilation
Severe dysplasia

Answer 12

Erythroplakia

Question 13

HPV-16

Answer 13

SCC

Question 14

Betel quid nut adn paan chewing

Answer 14

SCC

Question 15

Field cancerization

Answer 15

SCC

Question 16

SCC classic vs HPV type

Answer 16

Classic: ventral tongue, floor of mouth, lower lip, soft palate, gingiva, LESION

HPV: no preceding lesion, tonsillar crypts, base of tongue, pharynx

• Sore throat, ear ache, pain on swallowing
• Tumor in LN, Neck mass
• Never smoked

Question 17

Swelling back of mouth Unilocular lesion associated with impact 3rd molars, near crown of unerupted teeth, stratified squamous

Answer 17

Dentigerous cyst

Question 18

Painless swelling on side of face

Mulilocular lesion, stratified squmaous with basal layer in posterior mandible

Answer 18

Keratocystic odontogenic tumor

Question 19

Inflammatory lesion at apex of teeth due to chronic tooth caries

Answer 19

Periapical cyst

Question 20

Swelling on jaw, no ectomesenchymal differnetiation, slow growing cyst

Answer 20

Ameloblastoma

Question 21

Complains of teeth not coming. Imaging shows lesion with radiopaque masses

Answer 21

Odontoma

Question 22

Lesion that fluctuates in size with a blue translucent hue

Answer 22

Mucocele

Question 23

Pseudocyst

Answer 23

Mucocele

Question 24

Cyst filled with mucinous material, no epitheial lining

Answer 24

Pseudocyst

Question 25

Cyst in the sublingual gland

Answer 25

Ranula

Question 26

Tumor of Mixture od ductal & myepithelail cells
parotid 
Painless, slow, mobile
History radiation
PLAG1

Answer 26

Pleomorphic adenoma

Question 27

Parotids 
Round, encapsulated, palpable
Bilateral 
Smokers
Pale grey with narrow cystic space

Answer 27

Warthin

Question 28

11;q(q21:p13)
Parotids
Grey-white no capsule
Small mucin contain cells

Answer 28

Mucoepidermoid carcinoma

Question 29

Slow growing tumor
palatine glands
Painful
Poorly encapsulated
Graypink lesion

Answer 29

Adenoid cystic carcinoma