Question 1

An ill-defined radiolucent and radiopaque lesion in the maxilla of a 65-year-old woman was biopsied. Histologically, it was a solid neoplasm composed of malignant plasma cells. This most likely represents which of the following?

Accepted Answer

A) Multiple myeloma 
B) Ameloblastic fibroma 
C) Fibrous dysplasia 
D) Osteoblastoma 
E) Osteosarcoma A

Question 2

Osteosarcoma is known to be complication of which of the following?

Accepted Answer

A) Neurofibromatosis 
B) MEN III 
C) Paget's disease 
D) Gardner's syndrome 
E) All the above C

Question 3

All of the following are signs or symptoms that are associated with malignancy in the jaw except:

Accepted Answer

A) Uniformly widened periodontal membrane space around a tooth (teeth) 
B) Vertical tooth mobility 
C) Hypercementosis 
D) Premature loss of deciduous teeth 
E) Acquired malocclusion C

Question 4

A radiolucent and radiopaque lesion in the maxilla of a 35-year-old woman was biopsied. It was a neoplasm composed of malignant cells making osteoid. This most likely represents:

Accepted Answer

A) Odontogenic myxoma 
B) Ameloblastoma 
C) Fibrous dysplasia 
D) Odontoma 
E) Osteosarcoma

Question 5

Which of the following signs/symptoms would be unlikely for a malignant neoplasm within the mandible?

Accepted Answer

A) Paresthesia 
B) Pain 
C) Vertical tooth mobility 
D) Uniformly widened periodontal membrane space 
E) Sclerotic bony margins

Question 6

Which of the following malignancies would most likely be seen in children?

Accepted Answer

A) Burkitt's lymphoma 
B) Osteosarcoma arising in Paget's disease 
C) Multiple myeloma 
D) Metastatic colon cancer 
E) None of the above

Question 7

The Epstein-Barr virus may be associated with the etiology and pathogenesis of which of the following jaw lesions?

Accepted Answer

A) Garré's disease 
B) Ewing's tumor 
C) Burkitt's lymphoma 
D) Central giant cell granuloma 
E) Osteogenesis imperfecta

Question 8

Which of the following malignancies of the jaws characteristically affects the older adult population?

Accepted Answer

A) Sarcoma 
B) Burkitt's lymphoma 
C) Ewing's tumor 
D) Metastatic adenocarcinoma to jaws 
E) None of the above

Question 9

A 15-year-old patient has a numb lower lip and pain in the right posterior mandible. A radiograph shows slight thickening of the periodontal membrane space of tooth no. 30. The tooth shows slightly reduced vitality to electric pulp testing. Which of the following should be included in a differential diagnosis?

Accepted Answer

A) Periapical cyst 
B) Periapical granuloma 
C) Traumatic bone cyst 
D) Benign odontogenic neoplasm 
E) Malignancy

Question 10

A 14-year-old girl developed an ill-defined radiolucency in her anterior mandible in association with a hypermobile tooth no. 25. She also had a numb lip. Which of the following should be suspected?

Accepted Answer

A) Ossifying fibroma 
B) Fibrous dysplasia 
C) Central giant cell granuloma 
D) Periapical cemento-osseous dysplasia 
E) Osteosarcoma

Exam 14: Malignancies of the Jaws