mesenchymal tumors

Question 1

fibroma

Answer 1

a true neoplasm where the fiber starts growing

rare

Question 2

the most common “tumor” of the oral cavity

Answer 2

fibroma

Question 3

t/f fibromas can happen anywhere in the body

Answer 3

true

Question 4

peripheral ossifying fibroma location

Answer 4

outside the bone and on the gingiva

Question 5

t/f peripheral ossifying fibroma is a rare lesion that is reactive

Answer 5

false, true. it is a common lesions that is considered reactive

Question 6

t/f the distinction bt a peripheral and central ossifying fibroma is important for the tx process

Answer 6

true

Question 7

prognosis for peripheral ossifying fibroma

Answer 7

good, high recurrence (just cut off)

Question 8

fibrosarcoma

Answer 8

malignant tumor of fibroblasts

Question 9

pyogenic granuloma

Answer 9

“pregnancy tumor”

reactive lesions to irritation or injury

Question 10

t/f a pyogenic granuloma is non-neoplastic

Answer 10

true

Question 11

what is a better name for a pyogenic granuloma

Answer 11

lobular capillary hemangioma (it is a vascular tumor)

Question 12

if a pyogenic granuloma happens in women, when do you remove it

Answer 12

after pregnancy

Question 13

t/f in a gingival excision of a pyogenic granuloma, you should extend down to the periosteum

Answer 13

true

Question 14

peripheral giant cell lesion

Answer 14

vascular, gingival (or on an edentulous ridge), tumor from the pdl or periosteum

Question 15

most common “gum bumps”

Answer 15

5 p’s:

1. pyogenic granuloma
2. peripheral ossifying fibroma
3. peripheral giant cell granuloma
4. “plain” fibroma
5. parulis

Question 16

lymphangioma

Answer 16

benign growth of lymph vessels

Question 17

does a lymphangioma blanch

Answer 17

no (not vascular)

Question 18

are lymphangiomas congenital

Answer 18

maybe. half of all lesions are noted at birth, and 90% are before age 2

Question 19

features of lymphangiomas

Answer 19

commonly on the tongue

cluster of translucent vesicles (frog egg appearance)

Question 20

angiosarcoma

Answer 20

malignancy of blood vessels

Question 21

traumatic neuroma

Answer 21

proliferation of axons after trauma (nerves try to grow and reattach to each other)

Question 22

t/f a traumatic neruoma is painful

Answer 22

yes. on palpation

Question 23

schwannoma

Answer 23

benign neoplasm of schwann cells

Question 24

t/f a schwannoma is painful

Answer 24

no

Question 25

what cell types are involved in a nerofibroma

Answer 25

schwann cells and perineural fibroblasts

Question 26

t/f neruofibromatosis is hereditary

Answer 26

true

Question 27

characteristics of neruofibromatosis

Answer 27

cafe au lait sports with axillary freckling (Crowe’s spots), and lisch nodules (spots in eyes)

Question 28

granular cell tumor neural origin

Answer 28

schwann cells

Question 29

common location of granular cell tumor

Answer 29

tongue

Question 30

malignant peripheral nerve sheath tumor has this on a radiograph

Answer 30

intrabony swelling

Question 31

leiomyoma

Answer 31

benign tumor of smooth muscle

Question 32

where can you have a leiomyoma

Answer 32

anywhere (it is vascular)

doesn’t blanche unless it is a vascular leiomyoma

Question 33

rhabdomyoma

Answer 33

benign tumor of skeletal muscle (not on palate or gingiva)

Question 34

lipoma

Answer 34

benign tumor of fat tissue

Question 35

what color ore lipomas

Answer 35

yellow or pink hue

Question 36

congenital epulis occurs when

Answer 36

at birth on the alveolar ridge tissue

Question 37

what does a congenital epulis looks like

Answer 37

pink-red, smooth surfaces single or polypoid mass

Question 38

congenital epulis are most commly seen in

Answer 38

females