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Oral Pathology > Tumors > Flashcards

Tumors Flashcards

1
Q

Most common epithelial Odontogenic tumor

A

Ameloblastoma

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2
Q

Most common site for Ameloblastoma

A

Mandibular molar ramus area, can be associated with impacted teeth

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3
Q

Slow growing, painless and capable of causing large facial deformities

A

Ameloblastoma

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4
Q

Types of Ameloblastoma

A

Multicystic
Unicystic
Peripheral or extraosseous

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5
Q

Multilocular radiolucencies with well defined sclerotic margins - soap bubble or honey comb

A

Multicystic Ameloblastoma

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6
Q

Superficial saucerization of cortical plate, cup shaped radiolucency beneath elevated nodule

A

Peripheral or extraosseous ameloblastoma

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7
Q

Most common microscopic patterns of ameloblastoma

A

Follicular and plexiform

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8
Q

Tx if ameloblastoma

A

Simple Enucleation or en bloc / marginal resection

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9
Q

True mixed tumor epithelium and connnective tissue

A

Ameloblastic Fibroma

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10
Q

Mixed tumor similar to ameloblastic fibroma but contains odontoma

A

Ameloblastic Fibroma-odontoma

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11
Q

Molar ramus region, slow painless swelling, impacted molars, unilocular or multilocular radiolucent lesions with scalloped margins may contain calcified opaque structures

A

Pindborg tumor/ calcifying epithelial Odontogenic tumor

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12
Q

Sheets of large polygonal epithelial cells within connective tissue stroma with areas of amyloid that have concentric deposits, Liesegang rings

A

Pindborg tumor/ calcifying epithelial Odontogenic tumor

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13
Q

Females, 10-19 in anterior maxilla, asymptomatic tumor

A

Adenomatoid odontogenic tumor

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14
Q

Unilocular radiolucency surrounding unerupted canine crown, extends past CEJ

A

Adenomatoid Odontogenic tumor

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15
Q

Completely radiolucent but with fine snowflake calcifications, ductlike structures surrounded by thick fibrous capsule

A

Adenomatoid Odontogenic tumor

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16
Q

Agressive intraosseous lesion arising from odontogenic mesenchyme from dental pulp or follicular connective tissue

A

Odontogenic myxoma

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17
Q

Painless, slowly enlarging swelling, cortical expansion, teeth displacemeny and root resorption

A

Odontogenic myxoma

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18
Q

Unilocular or multilocular, margins irregular or scalloped, thin wispy trabeculae which gives soap bubble or tennis racket appearance

A

Odontogenic myxoma

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19
Q

Haphazardly arranged stellate, spindle shaped, round cells, loose myxoid stroma only few collagen fibrils

A

Odontogenic myxoma

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20
Q

Odontogenic tumor, proliferation of cementoblasts that form large mass o cementum and cementum like tissue

A

Cementoblastoma

21
Q

Proliferation of cementum, pain and swelling, teeth vital, mand 1st molar, radiopaque mass with thin radiolucent rim

A

Cementoblastoma

22
Q

Most common Odontogenic mixed tumor

A

Odontoma

23
Q

Hamartomatous lesion found over unerupted teeth containing enamel, dentin, pulp in either tooth shapes(compound) or solid, gnarled mass(complex)

A

Odontoma

24
Q

Asymptomatic non neoplastic bony growth covered by normal mucosa

A

Tori mandibularis

25
Q

Tumor like lesion, replacement of medullary bone by cellular fibrous connective tissue causing the bone to become fragile

A

Fibrous Dysplasia

26
Q

Expansion of bone, displaces maxillary sinus and obliterate it

A

Fibrous dysplasia

27
Q

Types of fibrous dysplasia

A

Monosyotic
Polyostotic

28
Q

Alkaline phosphatase level increased in which type of fibrous dysplasia

A

Polyostotic fibrous dysplasia

29
Q

Painless, unilateral swelling, ground glass, orange peel or finger print appearance

A

Fibrous dysplasia

30
Q

Mandibular bucco lingual expansion, bulging of inferior border, ill defined lamina dura that blends with abnormal bone

A

Fibrous Dysplasia

31
Q

Irregular shaped trabeculae of woven bone in fibrous connective tissue - Chinese characters

A

Fibrous dysplasia

32
Q

Genetic disorder severe polyostotic fibrous dysplasia, unilateral cafe au lait spots, endocrine abnormalities

A

McCune Albright syndrome

33
Q

Multiple, slow growing painless expansile bone lesions causes pathological fractures, premature puberty in females

A

McCune Albright syndrome

34
Q

Connective tissue stroma with irregular woven immature bone. As ut matures more calcified structures

A

Ossifying fibroma

35
Q

Benign fibro-osseous lesion of jaw arising from undifferentiated cells from PDL. Usually arise from tooth bearing areas

A

Ossifying fibroma

36
Q

Reactive lesion to local factors, apex of vital teeth, mandibular anteriors periapical, asymptomatic, middle aged women, aftican. Osteolytic, cementoblastic, mature stage

A

Periapical cemento osseous dysplasia

37
Q

Rare benign tumor of bone arising from osteoblasts, fast onset

A

Osteoblastoma

38
Q

Well or ill defined round to oval radiolucency with areas of remineralization

A

Osteoblastoma

39
Q

Colorectal polyps that become adenocarcinoma by fifth decade of life

A

Gardner’s syndrome

40
Q

Multiple osteomas, Fibromas of skin, epidermal and trichilemmal cysts, abnormalities of the retina of eye

A

Gardener’s Syndrome

41
Q

Multiple odontomas, multiple impacted and supernumerary teeth. Multiple jaw osteomas cotton wool appearance

A

Gardner’s syndrome

42
Q

Benign, jaw, young females, anterior to molars, crosses midline, asymptomatic expansile

A

Central giant cell granuloma

43
Q

Multilocular or Unilocular well demarcated but non corticated. Spindled fibroblasts and multinucleated giant cells in a stroma of collagen

A

Central giant cell granuloma

44
Q

Tx of central giant cell granuloma

A

Curettage, steroid, calcitonin injections, interferon injections and bisphosphonates

45
Q

Clonal proliferation of cells phenotypic characteristics of Langerhans cells

A

Langerhans cell disease

46
Q

Floating in space. Most common form of landerhans cell disease

A

Eosinophilic granuloma/ chronic localized form
Solitary or multiple bone lesions without visceral involvement

47
Q

Chronic disseminating form of Langerhans cell disease with bone, skin and visceral organ involvement

A

Hand-Schuller-Christian syndrome

48
Q

Lytic bone lesions, exophthalmos, Diabetes Insipidus

A

Chronic disseminating form of langerhans cell disease/ Hand-Schuller-Christian syndrome

49
Q

Multiple radiolucent lesions, punched out, scooped out, floating in air, severe bone destruction, loose teeth, premature exfoliation, multinucleated giant cells, birbeck granules

A

Langerhans cell disease

Oral Pathology (18 decks)

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