pigmented and vascular lesions/soft tissue lesions

Question 1

whats a typical patient history who has melanoacanthoma

Answer 1

Rapid onset and growth Buccal mucosa most common site • Dark-brown or black pigmentation • Flat or slightly raised Predilection for black females • 3rd to 4th decades

Question 2

Whats the etiology of melanoacanthoma

Answer 2

unknown. its considered a reactive lesion

Question 3

how do you tx melanoacanthoma

Answer 3

• Incisional biopsy to confirm diagnosis • No further treatment is necessary • May spontaneously regress due to biopsy

Question 4

what are the types of nevi

Answer 4

intramucosal, compound junctional

Question 5

whats a intramucosal nevi

Answer 5

nevus found in the epithelial tissues

Question 6

what is a compound nevus

Answer 6

found in epidermis and dermis

Question 7

what is a junctional nevus

Answer 7

one found in-between epithelial and dermal tissues

Question 8

where due blue nevi tend to occur orally

Answer 8

on the palate,

Question 9

why are blue nevi blue

Answer 9

tyndall effect (physics) the cells tend to be deeper in the connective tissue and epithelial tissue above it reflect the blue light.

Question 10

what are two examples of large congenital blue nevi

Answer 10

nevus of ito, nevus of ota

Question 11

Whats pout nether syndrome

Answer 11

intestinal polyposis and perioral freckling

Question 12

what are varix

Answer 12

abnormally dilated vessel with a torturous course

Question 13

what is classic presentation of superficial lymphangioma

Answer 13

midline posterior tongue typical frogs egg vesicles

Question 14

what is epulis granulomatosa

Answer 14

Hyperplastic growth of granulation tissue arising in an extraction socket

Question 15

what should you do before biopsy of a suspected hemangioma

Answer 15

aspirate for lots of blood

Question 16

what is common tx for congenital hemangiomas

Answer 16

often spontaneously resolve toward adult hood but some do require surgical intervention

Question 17

what is the hallmark of storage weber syndrome

Answer 17

Nevus flammeus (port wine stain): along 1 or more segments of the trigeminal nerve

Question 18

what can oral storage weber mimic

Answer 18

pyogenic granuloma

Question 19

what is the ideal tx for peripheral osseous fibroma and peripheral giant cell granuloma

Answer 19

excise down to periosteum, then sc/rp to remove inciting irritant

Question 20

what are names of benign peripheral nerve sheath tumors

Answer 20

schwannoma, neurofibroma, traumatic neuroma, palisaded encapsulated neuroma

Question 21

which is the most common benign peripheral nerve sheath tumors

Answer 21

neurofibroma

Question 22

where are the most common spots for neurofibroma

Answer 22

tongue and buccal of mandible

Question 23

how common are oral schwanoma

Answer 23

not only 25% occur in head and neck

Question 24

which nerve sheath tumor are usually painful

Answer 24

traumatic neuroma

Question 25

where are most palisaded encapsulated neuromas found

Answer 25

nose and cheek 90%

Question 26

what are bilateral commissural mucosal neuromas characteristic of

Answer 26

MEN 2B

Question 27

why is a MEN2B dx important early

Answer 27

100% of its present with medullary thyroid carcinoma by age 30.