Diseases of the bone pt 2

Question 1

torus

Answer 1

tumour like mass of bone occurring in precise anatomical locations of the jaw

Question 2

torus palatinus

Answer 2

bony hard swelling bilaterally in the vault of the hard palate in the midline, may be lobulated
a mass of dense sclerotic lamellar bone
trabecular arrangement with fibrous intertrabecular bone

Question 3

torus mandibularis

Answer 3

bony hard swelling bilaterally in premolar region of mandible on lingual aspect

Question 4

Fibrous dysplasia

Answer 4

benign condition, presumably developmental in nature, characterised by the presence of fibrous CT with irregular trabeculae of bone

Question 5

types of fibrous dysplasia

Answer 5

monostotic (75%)
polyostotic (25%)

Question 6

general features of fibrous dysplasia

Answer 6

young pts
3F:M

Question 7

clinical features fibrous dysplasia

Answer 7

swelling of bone with deformity
malocclusion, spacing of teeth, nerve compression
maxilla (66%)

Question 8

paget’s disease

Answer 8

progressive disorder representing a disturbance in the ‘coupling’ synthesis and resorption of bone
abnormal formation and resorption of bone causes bone distortion and weakening, particularly the elderly

Question 9

general features of paget’s disease

Answer 9

4% over 40yrs
2M:F

Question 10

HPC paget’s disease

Answer 10

slow, progressive enlargement of bone with deformity

Question 11

clinical features paget’s disease

Answer 11

swelling with deformity, bowing of legs, spinal curvature
maxilla 80%

Question 12

pathology of paget’s disease

Answer 12

irregular masses of lamellar bone with prominent reversal lines, giving a mosiac pattern

Question 13

treatment of paget’s disease

Answer 13

bisphosphonates
calcitonin

Question 14

neoplasm of bone classifications

Answer 14

benign - osteoma
malignant
- primary –chondosarcoma
- secondary – metastatic adenocarcinoma
- haemopoietic – multiple myeloma