Ch.16 Flashcards
Red rimmed shallow ulcerations
Herpes
Tzanck test
Herpes
Positive if acantholytic keratinocytes or multinucleated Giant acantholytic keratinocytes (multinucleate polykaryons) are detected
Acanthoysis
Loss of intercellualr connections
Gray to white inflammatory membrane that can be scrapped off. In patients taking antibiotics or steroids
Pseudomembranous oral candidiasis (thrush)
Small red lesions with blue white centers
Koplik spots
Measles
Pharynx and tonsils covered in gray-white exudative membrane w/ LAD, petechiae
- What is it
- Due to
Mono
Due to EBC
White, fibrinosuppurative, tough membrane over tonsils, Can not be scrapped off
Diphtheria
Due to corynebacterium diphtheriae
Widespread lesions over the skin and mucous membranes
Steven-Johnson syndrome
Erythema multiforme
Oral lesion of lateral border of tongue
Hairy leukoplakai
IC
EBV
White, patches of hyperkeratotic thickenings, can not be scrapped off. Balloon cells
White, patches of hyperkeratotic thickenings, can not be scrapped off. Balloon cells
Hairy leukoplakia
Lateral border of tongue
Multiple white patches in oral cavity, can not be scrapped off, sharply demarcated borders. Epithelial thickening
Leukoplakia
Red velvety eroded areas
Intense subepithelial inflammation with vascular dilation
Severe dysplasia
Erythroplakia
HPV-16
SCC
Betel quid nut adn paan chewing
SCC
Field cancerization
SCC
SCC classic vs HPV type
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
Swelling back of mouth Unilocular lesion associated with impact 3rd molars, near crown of unerupted teeth, stratified squamous
Dentigerous cyst
Painless swelling on side of face
Mulilocular lesion, stratified squmaous with basal layer in posterior mandible
Keratocystic odontogenic tumor
Inflammatory lesion at apex of teeth due to chronic tooth caries
Periapical cyst
Swelling on jaw, no ectomesenchymal differnetiation, slow growing cyst
Ameloblastoma
Complains of teeth not coming. Imaging shows lesion with radiopaque masses
Odontoma
Lesion that fluctuates in size with a blue translucent hue
Mucocele
Pseudocyst
Mucocele
Cyst filled with mucinous material, no epitheial lining
Pseudocyst
Cyst in the sublingual gland
Ranula
Tumor of Mixture od ductal & myepithelail cells parotid Painless, slow, mobile History radiation PLAG1
Pleomorphic adenoma
Parotids Round, encapsulated, palpable Bilateral Smokers Pale grey with narrow cystic space
Warthin
11;q(q21:p13)
Parotids
Grey-white no capsule
Small mucin contain cells
Mucoepidermoid carcinoma
Slow growing tumor palatine glands Painful Poorly encapsulated Graypink lesion
Adenoid cystic carcinoma