Histo - non-neoplastic bone disease

Question 1

Simple fracture

Answer 1

soft tissue intact + clean break

Question 2

Greenstick fracture

Answer 2

Bone isn’t fractured all the way through, and thus bends on the other side

Children

Question 3

Compound fracture

Answer 3

Communication with SKIN

Question 4

Comminuted fracture

Answer 4

Bone is splintered bt soft tissue is intact

Question 5

Impacted fracture

Answer 5

On bone fragment is driven into another

Question 6

4 stages of fracture repair

Answer 6

1) Haematoma organisation
2) Fibrocartilaginous callus forms
3) Mineralisation of callus
4) Remodelling of bone

Question 7

Osteomyelitis of the toes is usually secondary to what?

Answer 7

Diabetic ulcer

Question 8

2 organisms seen to cause osteomyelitis in children?

Answer 8

H. influenza

GBS

Question 9

in osteomyelitis, what x-ray change is seen after 3-6 weeks?

Answer 9

Chunks of necrotic cortex are detached

Question 10

4 X-ray signs of osteoarthritis

Answer 10

Osteophyte
Sclerosis
Reduced joint space
Subcondral Cyst

Question 11

what type of Ig is most Rheumatoid factor

Answer 11

IgM

Question 12

2 HLA associations with rheumatoid arthritis?

Answer 12

DR4

DR1

Question 13

Histological features of rheumatoid arthritis

Answer 13

Thickened synovium

Proliferation of synoviocytes

Question 14

How is bone affected in acquired syphilis?

Answer 14

Periostitis
Neuropathic shaft fractures
Gummatous inflammation of bone + joints