Oral Pathology I: Fibrous Dysplasias of Bone

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What is the classification of fibrous dysplasias of bone?

6 types of fibro-osseous diseases (correct)

3 types of fibro-osseous diseases

1 type of fibro-osseous disease

5 types of fibro-osseous diseases

What is the main feature of Paget's disease of bone?

Sudden bony fracture

Bone deformation

Progressive bony resorption

Progressive bony enlargement (correct)

At what age is Paget's disease of bone typically seen?

Over 20 years

Over 40 years (correct)

Under 40 years

Over 30 years

What is the typical distribution of Paget's disease of bone?

Bilateral and symmetrical Signup and view all the answers

What is the location of weight stress in Paget's disease of bone?

Vertebral column (sacrum, lumber, thoracic, and cervical) Signup and view all the answers

What is one of the possible etiologies of Paget's disease of bone?

Paramyxovirus infection Signup and view all the answers

What is a characteristic feature of Paget's disease of bone?

Deeply staining reversal lines Signup and view all the answers

Which of the following is a laboratory finding in Paget's disease of bone?

Marked elevation of serum alkaline phosphatase Signup and view all the answers

What is a characteristic of monostotic fibrous dysplasia of bone?

One bone is affected, with fusiform or elliptical expansion Signup and view all the answers

What is a feature of McCune-Albright syndrome, a type of polyostotic fibrous dysplasia?

Almost all bones are affected, with spontaneous fractures Signup and view all the answers

Which of the following is a common feature of both Paget's disease and fibrous dysplasia of bone?

Dysplastic fibrous tissue replacing marrow spaces Signup and view all the answers

What is a complication of McCune-Albright syndrome?

Spontaneous fractures Signup and view all the answers

What is the approximate female to male ratio for cemento-osseous dysplasias?

14:1 Signup and view all the answers

What is the typical age range for blacks affected by cemento-osseous dysplasias?

30-50 years Signup and view all the answers

What is the characteristic radiographic appearance of periapical cemento-osseous dysplasia in its end stage?

Dense radio-opaque surrounded by a narrow lucent rim Signup and view all the answers

What is the primary component of periapical cemento-osseous dysplasia in its early stage?

Fibroblastic proliferation Signup and view all the answers

What is the typical location of focal cemento-osseous dysplasia?

Any area of the jaw Signup and view all the answers

What is the characteristic size of focal cemento-osseous dysplasia?

Less than 1.5 cm Signup and view all the answers

What is the characteristic gross appearance of the lesion in hyperparathyroidism?

Brown tumor Signup and view all the answers

Which of the following is a common location for central giant cell granuloma in females?

Premolar area Signup and view all the answers

What is the radiographic appearance of central giant cell granuloma?

Well-demarcated, multilocular radiolucency with scalloped margins Signup and view all the answers

What is the histopathological feature of central giant cell granuloma?

Fibroblastic proliferation with small vascular channels, hemosidrin-laden macrophages, and RBCs Signup and view all the answers

What is the etiology of central giant cell granuloma?

Unknown specific cause Signup and view all the answers

What is the primary location of Central giant cell tumor?

Long bones Signup and view all the answers

What is the characteristic feature of Central giant cell tumor in terms of giant cells and stromal cells?

Even distribution of similar-looking multinucleated giant cells among the stromal cells Signup and view all the answers

What is the primary age range for Central giant cell tumor?

Third and fourth decades Signup and view all the answers

What is the main difference between Central giant cell granuloma and Central giant cell tumor?

Absence of hemorrhage or hemosiderin Signup and view all the answers

What is the nature of Central giant cell tumor?

True neoplasm (benign or malignant) Signup and view all the answers