MCQs in Oral Pathology

Chapter 12: Benign non odontogenic tumors

 

 

 

1- Treatment for a patient of cherubism is:

  1. Surgical excision.
  2. Enblock dissection.
  3. Radiation therapy.
  4. Cosmetic surgery.
  5. Do not require any treatment.

 

 

 

 

 

The answer is: D

 

2-A young teenage patient was found to have a 2 to 3 cm multiloculated radiolucent lesion of his mandible. during the surgery, a solid, bloody lesion was removed. Histologically, it was composed of benign-appearing fibroblasts and multinucleated giant cells. He most likely has:

  1. Hemangioma
  2. Osteosarcoma
  3. Peripheral giant cell granuloma
  4. Central giant cell granuloma
  5. Osteoporotic bone marrow defect

 

 

 

 

The answer is: D 

 

3-Which of the following can be categorized as a benign fibro-osseous lesion:

  1. Fibrous dysplasia
  2. Idiopathic histiocytosis
  3. Ewing's tumor
  4. Odontogenic myxoma
  5. Hematopoietic bone marrow defect

 

 

 

 

 

 

The answer is: A

 

4-Which of the following is true about ossifying fibroma of the jaws:

  1. May appear radiographically as a relative lucency or a mixed lucent/opaque lesion
  2. Is a lesion exclusively of the elderly
  3. Has significant malignant potential
  4. Is associated with nonvital teeth
  5. All the above

 

 

 

 

 

 

The answer is: A

 

5-The most common benign tumor occurring in the oral cavity is the:

  1. Papilloma
  2. Adenoma
  3. Fibroma
  4. Hemangioma
  5. Lipoma

 

 

 

 

 

 

The answer is: C

 

6-A radiograph showing a lesion with gross bone destruction without proliferative response indicates:

 

  1. Slow growing lesion.
  2. Rapid growing lesion.
  3. Both A and B.
  4. False pathologic lesion.
  5. None of the above.

 

 

 

 

 

 

The answer is: B

 

7-A patient with Gardner's syndrome will commonly present with:

  1. Chronic cough
  2. Iron deficiency anemia
  3. Epistaxis
  4. Blood in the stool
  5. Muscle weakness

 

 

 

 

 

The answer is: D

 

8-Fibrous dysplasia, cafe au lait spots, and precocious puberty are associated with:

  1. Nevoid basal cell carcinoma syndrome
  2. Gardner's syndrome
  3. McCune-Albright syndrome
  4. von Recklinghausen's disease of bone
  5. None of the above

 

 

 

 

 

 

The answer is: C

 

9-A young child attends your clinic with early loss of deciduous teeth. While assessing the panoramic xray, you notice a sharply marginated radiolucency in the area of tooth loss. You decide to take a biopsy and you fine a round cell infiltrate with numerous eosinophils. This condition is most likely to be:

  1. Cherubism
  2. Gardner's syndrome
  3. Paget's disease
  4. Fibrous dysplasia
  5. Langerhans cell disease

 

 

 

 

 

 

The answer is: E

 

10-Which of the following jaw lesions requires no biopsy and no treatment:

  1. Odontogenic myxofibroma
  2. Fibrous dysplasia
  3. Odontoma
  4. Dentigerous cyst
  5. Periapical cemento-osseous dysplasia

 

 

 

 

 

 

The answer is: E

 

11-A young teenage patient presents with an asymptomatic sharply defined punched out radiolucencies in the body of the mandible next to vital molar teeth. She also had related radiolucencies in the cranium. Histologically, the lesions had round cells with scattered eosinophils. She most likely has:

  1. Cherubism
  2. Multiple myeloma
  3. Langerhans cell disease
  4. Hyperthyroidism
  5. Osteosarcoma

 

 

 

 

 

 

The answer is: C

 

12-Which of the following is true about ossifying fibroma:

  1. May range radiographically from a lucent to a mixed lucent and opaque lesion
  2. Is typically seen in young adults
  3. Is composed of fibrous tissue with foci of new bone
  4. Is associated with vital teeth
  5. All the above

 

 

 

 

 

The answer is: E

 

13-Which of the following is not a feature of McCune-Albright syndrome:

  1. cafe au lait macules
  2. Intestinal polyps
  3. Fibrous dysplasia
  4. Precocious puberty

 

 

 

 

 

The answer is: B

 

14-A biopsy of a periapical lesion associated with a vital tooth showed CD1a-positive round pale cells and many eosinophils. The condition is most likely:

  1. Periapical abscess
  2. Periapical granuloma
  3. Solitary myeloma
  4. Ewing's sarcoma
  5. Langerhans cell disease

 

 

 

 

 

 

The answer is: E

 

15-The combination of multiple asymptomatic radiopaque jaw lesions in conjunction with supernumerary teeth and intestinal polyps usually present with:

  1. Nevoid basal cell carcinoma syndrome
  2. Gardner's syndrome
  3. Diffuse sclerosing osteomyelitis
  4. McCune-Albright syndrome
  5. Langerhans cell disease

 

 

 

 

 

The answer is: B

 

16-Which of the following is a feature of ossifying fibroma:

  1. Slow growth
  2. Well-defined borders
  3. Benign fibro-osseous microscopic appearance
  4. Appearance in young adults
  5. All the above

 

 

 

 

 

 

The answer is: E

 

17-A young adult male patient presents to your clinic with increased mobility of only anterior mandibular teeth. Extensive loss of alveolar bone is seen radiographically without evidence of significant periodontal disease. The lesion is radiolucent with sharp margins. This condition is most likely to be:

  1. Cherubism
  2. Gardner's syndrome
  3. Langerhans cell disease
  4. Fibrous dysplasia
  5. Paget's disease

 

 

 

 

 

 

The answer is: C

 

18-Which of the following can NOT be a differential diagnosis A middle-aged male patient presents with a 1 to 2 cm swelling of the right side of his neck. All of the following might be considered in a clinical differential diagnosis EXCEPT:

  1. Lymphadenitis
  2. Salivary gland tumor in the tail of the parotid
  3. Giant cell granuloma
  4. Lymphoepithelial cyst
  5. Lymphoma

 

 

 

 

 

 

The answer is: C

 

19-An asymptomatic  1 cm well-circumscribed relative radiolucency was found in the body of the mandible of a 20-year-old man. It was located apical to tooth #37, and all teeth were vital. Biopsy was diagnosed as benign fibro-osseous lesion. Clinical pathologic correlation would be consistent with which of the following:

  1. Central giant cell granuloma
  2. Central odontogenic fibroma
  3. Fibrous dysplasia
  4. Ossifying fibroma
  5. Langerhans cell disease

 

 

 

 

 

 

The answer is: D

 

20-Pain is often a clinical symptom of which of the following:

  1. Osteoblastoma
  2. Ossifying fibroma
  3. Periapical cemento-osseous dysplasia
  4. Fibrous dysplasia
  5. Odontogenic keratocyst

 

 

 

 

 

 

The answer is: A

 

21-A 21-year-old woman went to her dentist because of facial asymmetry. This had occurred gradually over 3 years. The patient has had no symptoms. A diffusely opaque lesion was found in her right maxilla. All lab tests (CBC, alkaline phosphatase, calcium) were within normal limits. Biopsy was interpreted as a fibro-osseous lesion. She most likely has:

  1. Cementoblastoma
  2. Fibrous dysplasia
  3. Cherubism
  4. Osteosarcoma
  5. Chronic osteomyelitis

 

 

 

 

 

The answer is: B

 

22-A 16-year-old patient is found to have several well-defined radiopacities in his jaws. The patient is asymptomatic and teeth are vital. These lesions could be which of the following:

  1. Central giant cell granulomas
  2. Osteomas
  3. Odontogenic keratocysts
  4. Cherubism
  5. None of the above

 

 

 

 

 

 

The answer is: B

 

23-The nonodontogenic diffusely radiopaque lesion of young adults that is treated by surgical recontouring is known as:

  1. Ossifying fibroma
  2. Focal sclerosing osteomyelitis
  3. Central giant cell granuloma
  4. Fibrous dysplasia
  5. Langerhans cell disease (idiopathic histiocytosis)

 

 

 

 

 

The answer is: D

 

24-Which of the following lesions would most likely present radiographically as floating teeth in the jaw:

  1. Odontoma
  2. Osteoma
  3. Ameloblastoma
  4. Langerhans cell disease
  5. Albers-Schonberg disease

 

 

 

 

 

The answer is: D

 

25-Ground glass is a radiographic appearance of which of the following lesions:

 

  1. Hyperparathyroidism
  2. Paget’s disease of bone
  3. Fibrous dysplasia of jaw bones
  4. Chronic sclerosing osteomyelitis

 

 

 

 

 

 

The answer is: C