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oral pathology > neoplasms of the jaw part two > Flashcards

neoplasms of the jaw part two Flashcards

1
Q

what are the odontogenic tumors?

A

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

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2
Q

what are the epithelial odontogenic tumors

A

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

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3
Q

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

A

ameloblastoma

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4
Q

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

A

calcifying epithelial odontogenic tumor(CEOT) pindborg tumor

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5
Q

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

A

adenomatoid odontogenic tumor

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6
Q

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

A

calcifying odontogenic cyst

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7
Q

what are the mesenchymal odontogenic tumors

A

odontogenic myxoma
central cementifying and ossifying fibromas
benign camentoblastoma

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8
Q

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

A

odontogenic myxoma

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9
Q

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

A

central cementifying and central ossifying fibromas

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10
Q

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

A

benign cementoblastoma

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11
Q

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

A

ameloblastic fibroma

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12
Q

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)

A

ameloblastic fibroodontoma

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13
Q

two varieties of odontomas

A

compound and complex

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14
Q

odontoma means

A

tooth tumor

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15
Q

a collection of numerous small teeth; anterior maxilla

A

compound odontoma

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16
Q

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

A

complex odontoma

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17
Q

peripheral means

A

not in bone, outside

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18
Q

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

A

peripheral ossifying fibroma

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19
Q

examples of other peripheral odontogenic tumors

A

peripheral ameloblastoma

peripheral calcifying epithelial odontogenic tumor

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20
Q

tumors of the soft tissue

A

lipoma
tumors of nerve tissue
tumors of muscle
vascular tumors

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21
Q

fat cells; yellowish mass

A

lipoma

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22
Q

tumors of nerve tissue

A

neurofibroma and schwannoma
granular cell tumor
congenital epulis

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23
Q

both have schwann cells

A

nerofibroma and schwannoma

24
Q

tongue is the most common intraoral location

A

neurofibroma and schwannoma

25
Q

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

A

neurofibromatosis of von recklinghausen

26
Q

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

A

granular cell tumor

27
Q

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

A

congenital epulis

28
Q

uncommon in oral cavity

A

tumors of muslce

29
Q

a benign tumor of striated muscle

A

rhabdomyoma

30
Q

a benign tumor of smooth muscle

A

leiomyoma

31
Q

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

A

rhabdomyosarcoma(muscular malignancy)

32
Q

what are the vascular tumors

A

hemangioma
lymphangioma
malignant vascular tumors

33
Q

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

A

hemangioma

34
Q

contains numerous small capillaries

A

capillary hemangioma

35
Q

contains larger blood vessels

A

cavernous hemangioma

36
Q

lymphatic vessels; present at birth; tongue

A

lymphangioma

37
Q

____ may occur in the oral cavity but it is rare

A

angiosarcoma

38
Q

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

A

kaposi sarcomamalignant vascular tumors

39
Q

caused by human herpes virus(hhv-8)

A

kaposi sarcoma

40
Q

tumors of melanin-producing cells

A

melanotic nevi

malignant melanoma

41
Q

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

A

melanotic nevi

42
Q

most melanotic nevi are benign; some may be __

A

malignant( a biopsy may be required)

43
Q

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

A

malignant melanoma

44
Q

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

A

malignant melanoma

45
Q

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

A

osteoma

46
Q

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;

A

osteosarcoma

47
Q

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

A

tumors of cartilage

48
Q

a benign tumor of cartilage

A

chondroma

49
Q

a malignant tumor of cartilage

A

chondrosarcoma

50
Q

tumors of blood forming tissues

A

leukemia
lymphoma
multiple myeloma

51
Q

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)

A

leukemia

52
Q

diffuse gingival enlargement with persistent bleeding

A

monocytic leukemia

53
Q

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

A

non-hodgkins lymphoma

54
Q

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

A

multiple myeloma

55
Q

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

A

multiple myeloma

56
Q

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

A

metastatic tumors of the jaws

oral pathology (12 decks)

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