neoplasms of the jaw part two

Question 1

what are the odontogenic tumors?

Answer 1

epithelial odontogenic tumors
mesenchymal odontogenic tumors
mixed odontogenic tumors
peripheral odontogenic tumors

Question 2

what are the epithelial odontogenic tumors

Answer 2

ameloblastoma
calcifying epithelial odontogenic tumor(CEOT)
adenomatoid odontogenic tumor
calcifying odontogenic cyst

Question 3

benign aggressive tumor; peripheral ameloblast like cells; stellate reticulum-like areas; soap bubble-like or honey-combed; expansion of bone; may cause divergence of roots; mandible; recurrence is common

Answer 3

ameloblastoma

Question 4

polyhedral epithelial cells; amyloid-like material; opaque(more calcified); mandible

Answer 4

calcifying epithelial odontogenic tumor(CEOT) pindborg tumor

Question 5

odontogenic, not salivary gland cells; encapsulated, impacted max canine; ductlike structures, whorls, large masses of cuboidal and spindle-shaped cells; ameloblast like cells rather than ducts; *females younger than 20; anterior, associated with impacted teeth

Answer 5

adenomatoid odontogenic tumor

Question 6

like an ameloblastoma; ghost cell; most closely resembles an ameloblastoma with ameloblast-like epithelial cells surrounding areas that resemble stellate reticulum

Answer 6

calcifying odontogenic cyst

Question 7

what are the mesenchymal odontogenic tumors

Answer 7

odontogenic myxoma
central cementifying and ossifying fibromas
benign camentoblastoma

Question 8

tumor most closely resembles mesenchyme of dental papilla; honeycombed radiolucency; long cytoplasmic processes; recurrence rate is 25% after surgical excision

Answer 8

odontogenic myxoma

Question 9

fibro-osseous; central ossifying fibroma; central cementifying fibroma(bony calcifications resembling bony trabeculae and cementum); variant resulting from pdl cells that produce cementum or bone

Answer 9

central cementifying and central ossifying fibromas

Question 10

well-defined radiopaque mass with a surrounding radiolucent halo; this halo is the pdl; mandibular molar area; young adults; tooth is vital(3rd molar); *pain means it is still viable

Answer 10

benign cementoblastoma

Question 11

less than 20 yrs old; mandibular premolar and molar region; well-defined or poorly defined

Answer 11

ameloblastic fibroma

Question 12

has features of an ameloblastic fibroma and an odontoma; age of 10; posterior jaws; tooth parts in it; calcifications are noted within radiolucency. can represent tooth formation(enamel, dentin, cementum, pulp)

Answer 12

ameloblastic fibroodontoma

Question 13

two varieties of odontomas

Answer 13

compound and complex

Question 14

odontoma means

Answer 14

tooth tumor

Question 15

a collection of numerous small teeth; anterior maxilla

Answer 15

compound odontoma

Question 16

a mass that does not resemble normal teeth; posterior mandible; a radiopaque mass of enamel, dentin, cementum and pulp; prevents eruption of associated teeth; do not resemble teeth, but made of same stuff as teeth

Answer 16

complex odontoma

Question 17

peripheral means

Answer 17

not in bone, outside

Question 18

derived from cells of the periodontal ligament; females; cellular fibrous ct interspersed with scattered bone and cementum-like calcifications

Answer 18

peripheral ossifying fibroma

Question 19

examples of other peripheral odontogenic tumors

Answer 19

peripheral ameloblastoma

peripheral calcifying epithelial odontogenic tumor

Question 20

tumors of the soft tissue

Answer 20

lipoma
tumors of nerve tissue
tumors of muscle
vascular tumors

Question 21

fat cells; yellowish mass

Answer 21

lipoma

Question 22

tumors of nerve tissue

Answer 22

neurofibroma and schwannoma
granular cell tumor
congenital epulis

Question 23

both have schwann cells

Answer 23

nerofibroma and schwannoma

Question 24

tongue is the most common intraoral location

Answer 24

neurofibroma and schwannoma

Question 25

six or more cafe au lait macules and axillary freckling(crowes sign)

Answer 25

neurofibromatosis of von recklinghausen

Question 26

cells look granular; tongue and buccal mucosa; painless adult females

Answer 26

granular cell tumor

Question 27

present at birth; girls; benign neoplasm composed of cells closely resembling those seen in the granular cell tumor

Answer 27

congenital epulis

Question 28

uncommon in oral cavity

Answer 28

tumors of muslce

Question 29

a benign tumor of striated muscle

Answer 29

rhabdomyoma

Question 30

a benign tumor of smooth muscle

Answer 30

leiomyoma

Question 31

most common malignant soft tissue tumor of the head and neck in children

Answer 31

rhabdomyosarcoma(muscular malignancy)

Question 32

what are the vascular tumors

Answer 32

hemangioma lymphangioma malignant vascular tumors

Question 33

a developmental lesion; benign proliferation of capillaries; MAY BLANCH; tongue most common place; most are present at birth or arise shortly after

Answer 33

hemangioma

Question 34

contains numerous small capillaries

Answer 34

capillary hemangioma

Question 35

contains larger blood vessels

Answer 35

cavernous hemangioma

Question 36

lymphatic vessels; present at birth; tongue

Answer 36

lymphangioma

Question 37

____ may occur in the oral cavity but it is rare

Answer 37

angiosarcoma

Question 38

may arise in multiple sites, including the skin and oral mucosa; seen older men; more aggressive form has arisen with hiv; purple macules, plaques, or exophytic tumors; hard palate and gingiva

Answer 38

kaposi sarcoma*malignant vascular tumors*

Question 39

caused by human herpes virus(hhv-8)

Answer 39

kaposi sarcoma

Question 40

tumors of melanin-producing cells

Answer 40

melanotic nevi | malignant melanoma

Question 41

melanocytes(nevus cells); hard palate or buccal mucosa; skin or oral mucosa; intraoral tumors consist of tan to brown macules or papules

Answer 41

melanotic nevi

Question 42

most melanotic nevi are benign; some may be __

Answer 42

malignant( a biopsy may be required)

Question 43

a malignant tumor of melanocytes; rapidly enlarging blue to black mass; skin in response to prolonged exposure to sunlight; primary is rare, but melanomas on the skin may metastasize to oral cavity

Answer 43

malignant melanoma

Question 44

palate and maxillary gingiva; adults over 40 yrs of aggressive tumor with unpredictable behavior and; early metastasis

Answer 44

malignant melanoma

Question 45

an asymptomatic benign tumor composed of benign compact bone; component of gardener syndrome

Answer 45

osteoma

Question 46

malignant tumor of bone-forming tissue; most common primary malignant tumor of bone in patients less than 40 years of age; males; asymmetrical widening of the periodontal ligament space and a sunburst pattern ; aggressive nature; posterior mandible;

Answer 46

osteosarcoma

Question 47

extremely rare in the jaws; more likely malignant than benign;

Answer 47

tumors of cartilage

Question 48

a benign tumor of cartilage

Answer 48

chondroma

Question 49

a malignant tumor of cartilage

Answer 49

chondrosarcoma

Question 50

tumors of blood forming tissues

Answer 50

leukemia lymphoma multiple myeloma

Question 51

a broad group of disorders characterized by an overproduction of atypical white blood cells; classified according to the kinds of cells that are proliferating(myelocytes, lymphocytes, or monocytes)

Answer 51

leukemia

Question 52

diffuse gingival enlargement with persistent bleeding

Answer 52

monocytic leukemia

Question 53

malignant tumor of lymphoid tissue; gradual enlarging of lymph nodes; most common intraoral location is the tonsillar area; males than females

Answer 53

non-hodgkins lymphoma

Question 54

systematic malignant proliferation of plasma cells; destructive lesions in bone; most patients are older than 40; occurs most commonly in the seventh decade of life; males are affected more often than in females; pain and swelling

Answer 54

multiple myeloma

Question 55

punched out; immunoglobulin called monoclonal spike; bence jones proteins; extramedullary plasmacytoma; soft tissue

Answer 55

multiple myeloma

Question 56

the most frequent intraoral site for metastatic tumors is the mandible; females; pain, paresthesia or anesthesia fo the lip, swelling expansion of the affected bone, loosening of the teeth in the affected area; adults; lesions are usually poorly defined and radiolucent; roots involved teeth may show a spiked appearance, form bone and be radiopaque

Answer 56

metastatic tumors of the jaws