Pigmented Lesions

Question 1

Seborrheic keratosis occurs in oral cavity?

Answer 1

Never

Question 2

Seborrheic keratosis clinical features

Answer 2

well-defined multiple plaques

“stuck on skin” apperance

Question 3

Seborrheic keratosis seen in who?

Answer 3

common skin lesion of older people

Question 4

Actinic lentigo is…?

Answer 4

flat brown macule on skin

Question 5

Actinic lentigo results from?

Answer 5

chronic UV light exposure

Question 6

Actinic lentigo seen in oral cavity?

Answer 6

never

Question 7

Actinic lentigo undergoes malignant transformation?

Answer 7

no

Question 8

Melasma aka?

Answer 8

mask of pregnancy

Question 9

melasma occurs in what patients?

Answer 9

women who are pregnant or taking oral contraceptives

Question 10

melasma precipitating factor?

Answer 10

sun exposure

Question 11

melasma potential for malignant transformation?

Answer 11

none

Question 12

Oral melanoacanthoma common site?

Answer 12

buccal mucosa

Question 13

Oral melanoacanthoma what kind of lesion?

Answer 13

benign, reactive, asymptomatic

Question 14

Oral melanoacanthoma clinical features?

Answer 14

dark brown/black
Smooth and flat
Rapid increase in size

Question 15

Melanotic macule appearance?

Answer 15

flat brown discoloration

Question 16

Melanotic macule results from UV light?

Answer 16

NO

Question 17

Melanotic macule common location?

Answer 17

lower lip near vermillion border
Buccal mucosa
Gingiva
Palate

Question 18

Where does junctional nevus occur?

Answer 18

along basal cell layer

Question 19

Where do compound nevus occur?

Answer 19

along basal cell layer and CT

Question 20

Blue nevus most common location?

Answer 20

hard palate

Question 21

Blue nevus clinical features?

Answer 21

Macule/dome shaped

Blue or black

Question 22

amalgam tattoo appearance?

Answer 22

black/blue, seen on gingiva, alveolar or buccal mucosa

Question 23

amalgam tattoo in radiographs

Answer 23

radiopaque fragments

Question 24

Lead intoxication oral findings

Answer 24

Blue line on the gingiva (Burton line) Gray areas on buccal mucosa and tongue Tongue thrusting
Excessive salivation
Metallic taste
Advanced periodontal disease

Question 25

Mercury inxoication neuro symptoms?

Answer 25

aka erethism - tremors, memory loss, delirium

Question 26

Mercury intoxication oral changes?

Answer 26

Metallic taste, enlarged and inflamed salivary glands, blue/black gingiva, destruction of alveolar bone and tooth loss

Question 27

Acrodynia/Pink/Swift disease is what?

Answer 27

chronic form of mercury intoxication in children

Question 28

Acrodynia/Pink/Swift disease clinical presentation?

Answer 28

Erythematous and pruritic rash with desquamation of palms and soles Patches of hair pulled out Increased lacrimation, neuro symptoms, Htn Oral - excessive salivation, loss of teeth

Question 29

Silver intoxication aka?

Answer 29

argyria

Question 30

Argyria affects what organs/systems?

Answer 30

liver, spleen, GI tract, resp system

Question 31

Argyria presentation?

Answer 31

grayish discoloration on sun-exposed areas oral - slate-blue silver line on gingival margins, and blue-black discoloration on oral mucosa

Question 32

Gold intoxication appearance?

Answer 32

Chrysiasis - slate blue discoloration of sun-exposed skin

Question 33

Bismuth intoxication

Answer 33

Blue-gray line along gingival margin Burning Ulceration Stomatitis Black discoloration of filiform papillae

Question 34

Arsenic poisoning signs

Answer 34

Diffuse macular hyperpigmentation Hyperkeratosis on palms of hands/soles of feet

Question 35

Melanotic Neuroectodermal Tumor of Infancy frequent site?

Answer 35

Anterior maxilla

Question 36

Melanotic Neuroectodermal Tumor of Infancy clinical features

Answer 36

blue/black rapidly expanding Destroys bone and displaces teeth High urine levels of VMA

Question 37

Smokers Melanosis: patterns for Cig Pipe Reverse?

Answer 37

Cig - anterior facial Pipe - buccal and commissure Reverse - hard palate

Question 38

Peutz-Jeghers Syndrome - clinical features

Answer 38

freckles on hands, mouth, around mouth Intestinal obstruction, polyps (not premalignant) GI adenocarcinoma

Question 39

melanoma how to distinguish from nevus?

Answer 39

``` A - asymmetry B - border irregularity C - color D - diameter > 6mm E - evolving ```

Question 40

Oral melanoma location?

Answer 40

hard palate or max gingiva

Question 41

Oral melanoma appearance?

Answer 41

brown/black, irregular borders, nodular