Pathoma - Oral Cavity

Question 1

Cleft palate/lip - cause

Answer 1

failure of facial prominences to fuse

Question 2

Apthous ulcer - appearance

Answer 2

gray base surrounded by erythema

Question 3

Behcet Syndrome - presentation

Answer 3

recurrent apthous ulcers
+ genital ulcers
+ uveitis

Question 4

Behcet syndrome - cause

Answer 4

immune complex vasculitis of small vessels

Question 5

Behcet syndrome - etiology

Answer 5

unknown (may be brought on by viral infection

Question 6

Oral herpes - description

Answer 6

vesicle of oral mucosa

ruptures->shallow, painful red ulcer

Question 7

Oral herpes - population and clinical course

Answer 7

primary infection in children, virus remains dormant and can be reactivated later in life

Question 8

Oral herpes - causative agent

Answer 8

HSV-1 (some HSV-2)

Question 9

Reactivation of oral herpes brought on by:

Answer 9

stress or sunlight

Question 10

Dormant herpes virus resides in

Answer 10

Trigeminal nerve ganglion

Question 11

Squamous cell carcinoma - defintion

Answer 11

malignant neoplasm of squamous cells lining oral mucosa

Question 12

Risk factors for squamous cell carcinoma

Answer 12

smoking and alcohol

Question 13

Squamous cell carcinoma - location

Answer 13

floor of mouth (most common)

Question 14

SCC: precursor lesions

Answer 14

leukoplakia/erythroplakia

Question 15

Pathologies to differentiate from leukoplakia

Answer 15

oral candidiasis/thrush (IC pts) or hairy leukoplakia (EBV)

either will scrape off easily, w/o bleeding (unlike leukoplakia)