Deck 11: Odontogenic Tumors

Question 1

A 13-year-old girl has a single solid radiopacity overlying impacted tooth no. 30. This patient could have which of the following?

A)Dentigerous cyst
B)Adenomatoid odontogenic tumor
C)Ameloblastic fibroma
D)Odontoma
E)Odontogenic keratocyst

Answer 1

Odontoma

Question 2

Which of the following odontogenic lesions always appears radiographically as a radiolucent lesion?

A)Periapical granuloma
B)Odontogenic myxoma
C)Odontogenic keratocyst
D)Ameloblastoma
E)All the above

Answer 2

All the above

Question 3

Serum calcium would be significantly elevated in which of the following?

A)Central giant cell granuloma
B)Cherubism
C)Ameloblastoma
D)Langerhans cell disease (idiopathic histiocytosis) of the mandible
E)None of the above

Answer 3

None of the above

Question 4

An odontogenic tumor that is composed of a conglomeration of enamel and dentin is known as:

A)Odontoma
B)Ameloblastic fibroma
C)Cementifying fibroma
D)Myxoma
E)Adenomatoid odontogenic tumor

Question 5

The odontogenic neoplasm that is composed of loose primitive-appearing connective tissue and resembles dental pulp microscopically is known as:

A)Odontoma
B)Ameloblastoma
C)Ameloblastic fibroma
D)Ameloblastic fibro-odontoma
E)None of the above

Question 6

Lung metastasis is a well-documented complication after surgical treatment of which of the following?

A)Calcifying epithelial odontogenic tumor
B)Odontogenic keratocyst
C)Odontogenic myxoma
D)Cementoblastoma
E)None of the above

Question 7

Which of the following replaces and is attached to the apices of teeth?

A)Periapical granuloma
B)Periapical cemento-osseous dysplasia
C)Traumatic bone cyst
D)Cementoblastoma
E)Paget's disease

Question 8

Which of the following lesions is typically seen at the apices of vital anterior mandibular teeth in middle-aged females?

A)Multiple myeloma
B)Periapical granuloma
C)Traumatic bone cyst
D)Cementoblastoma
E)Periapical cemento-osseous dysplasia

Question 9

Which of the following characteristically presents in teenagers in the posterior segment of the jaws?

A)Odontogenic myxoma
B)Ameloblastoma
C)Periapical cemento-osseous dysplasia
D)Ameloblastic fibro-odontoma
E)Calcifying epithelial odontogenic tumor

Question 10

Which of the following jaw conditions requires no biopsy and no treatment?

A)Odontogenic myxofibroma
B)Fibrous dysplasia
C)Odontoma
D)Dentigerous cyst
E)Periapical cemento-osseous dysplasia

Question 11

Ameloblastic fibroma is typically seen in the posterior jaws in which of the following age groups?

A)Younger than 20 years
B)Between 20 and 40 years
C)Between 40 and 60 years
D)Over 60 years

Question 12

A mixed lucent and opaque radiographic pattern may be seen with all the following jaw lesions except (i.e., which lesion is always radiolucent)?

A)Adenomatoid odontogenic tumor
B)Chronic osteomyelitis
C)Periapical cemento-osseous dysplasia
D)Calcifying epithelial odontogenic tumor
E)Ameloblastic fibroma

Question 13

All the following characteristically occur in patients younger than 20 years except:

A)Traumatic bone cyst
B)Adenomatoid odontogenic tumor
C)Ameloblastic fibroma
D)Compound odontoma
E)Ameloblastoma

Question 14

Florid cemento-osseous dysplasia is believed to represent an exaggerated form of which of the following?

A)Fibrous dysplasia
B)Ossifying fibroma
C)Periapical cemento-osseous dysplasia
D)Extramedullary hematopoiesis
E)Cementoblastoma

Question 15

A clinically benign but aggressive neoplasm of the jaw is composed of epithelium that microscopically mimics enamel organ. This describes which of the following?

A)Ossifying fibroma
B)Odontoma
C)Ameloblastoma
D)Hyperparathyroidism
E)Odontogenic myxoma

Question 16

A circumscribed odontogenic tumor composed of myxofibrous connective tissue with abundant islands of odontogenic epithelium resembling dental lamina would be designated as:

A)Ameloblastoma
B)Ameloblastic fibroma
C)Odontogenic myxoma
D)Complex odontoma
E)Adenomatoid odontogenic tumor

Question 17

A mixed lucent and opaque radiographic pattern may be seen with all the following jaw lesions except:

A)Ossifying fibroma
B)Odontogenic myxoma
C)Periapical cemento-osseous dysplasia
D)Cementifying fibroma
E)Calcifying odontogenic cyst

Question 18

A radiolucent odontogenic tumor was composed completely of loose connective tissue. It had an appearance that had some resemblance to dental pulp. This is a(n):

A)Ameloblastoma
B)Ameloblastic fibroma
C)Odontogenic myxoma
D)Complex odontoma
E)Adenomatoid odontogenic tumor

Question 19

Recurrences are frequently seen after curettage of which of the following odontogenic lesions?

A)Dentigerous cyst
B)Adenomatoid odontogenic tumor
C)Nasopalatine duct cyst
D)Complex odontoma
E)Cystic ameloblastoma

Question 20

Which of the following rarely if ever recurs?

A)Calcifying odontogenic cyst
B)Ameloblastoma
C)Odontogenic myxoma
D)Odontogenic keratocyst
E)Adenomatoid odontogenic tumor

Question 21

Opaque foci may be seen on radiograms of all the following lesions except:

A)Calcifying epithelial odontogenic tumor
B)Calcifying odontogenic cyst
C)Adenomatoid odontogenic tumor
D)Ameloblastoma
E)Cementifying fibroma

Question 22

Which of the following characteristically presents in teenagers in the anterior segment of the jaws?

A)Odontogenic myxoma
B)Ameloblastoma
C)Periapical cemento-osseous dysplasia
D)Adenomatoid odontogenic tumor
E)Calcifying epithelial odontogenic tumor

Question 23

Recurrences are least likely seen in association with which of the following?

A)Ameloblastic fibroma
B)Ameloblastoma
C)Chondrosarcoma
D)Odontogenic keratocyst
E)Odontogenic myxoma

Question 24

On routine radiographic examination, an asymptomatic 0.5 cm radiolucent lesion was found at the apex of tooth no. 24 in a 37-year-old woman. The pulp tested vital. This lesion is most likely which of the following?

A)Condensing osteitis
B)Periapical granuloma
C)Periapical scar
D)Focal sclerosing osteitis
E)Periapical cemento-osseous dysplasia

Question 25

Which of the following lesions is least likely to appear in the molar-ramus area of the mandible?

A)Ameloblastoma
B)Ameloblastic fibroma
C)Adenomatoid odontogenic tumor
D)Myxoma
E)Calcifying epithelial odontogenic tumor

Question 26

Some odontogenic neoplasms can be defined as benign but potentially aggressive. One of these neoplasms that is composed of only connective tissue that microscopically mimics dental pulp is known as:

A)Periapical cemento-osseous dysplasia
B)Odontoma
C)Ameloblastoma
D)Ameloblastic fibroma
E)Odontogenic myxoma

Question 27

An asymptomatic multilocular radiolucency of the body of the mandible in a 35-year-old man could be all the following except:

A)Ameloblastoma
B)Calcifying epithelial odontogenic tumor
C)Odontogenic keratocyst
D)Complex odontoma
E)Odontogenic myxoma