MSK

Question 1

What is an osteochondroma

Answer 1

Bony outgrowth covered with a cartilageous cap

Question 2

What is an enchondroma

Answer 2

Intramedullary usually metaphaseal cartilageous lucent patchy sclerotic

Question 3

How do you treat an enchondroma

Answer 3

Scrape out of bone

Question 4

Describe a simple bone cyst

Answer 4

Cystic fluid filled which could cause pathological fracture

Question 5

How do you treat a simple bone cyst

Answer 5

Curretage and bone grafting w/wo stabilisation

Question 6

Describe an aneurysmal bone cyst

Answer 6

Small avm - chambers filled with blood or serum
Locally aggressive
V painful
Cortical expansion and destruction

Question 7

Treat aneurysmal bone cysts

Answer 7

Curretage and grafting

Question 8

Soap bubble appearance

Answer 8

Giant cell tumour

Question 9

Patchy sclerotic

Answer 9

Enchondroma

Question 10

Describe a giant cell tumour

Answer 10

Locally aggressive
Destructive of CORTEX
Soap bubble appearance
Pathological fracture

Question 11

Describe fibrous dysplasia

Answer 11

Genetic mutation causing fibrous tissue and immature bone lesions
Angular deformities

Question 12

Shepherds crook deformity

Answer 12

Fibrous dysplasia

Question 13

Treat fibrous dysplasia

Answer 13

Bisphosphonates

Question 14

Osteoid osteoma

Answer 14

Small nidus of immature bone

Question 15

Brodie’s abscess

Answer 15

Lyric lesion of bone

Question 16

What bone tumour can be caused by hyperparathyroidism

Answer 16

Brown tumour which is a lytic lesion of bone

Question 17

Leiomyoma

Answer 17

Smooth muscle

Question 18

Rhabdomyoma

Answer 18

Skeletal muscle

Question 19

What is a giant cell tumour of the tendon sheath

Answer 19

Small tender swelling on the flexor tendon that can erode bone

Question 20

What tumours metastasise to bone

Answer 20

Breast 
Prostate 
Lung 
Renal 
Thyroid

Question 21

Describe an osteosarcoma

Answer 21

Most common malignant tumour
Produces bone
Rb gene mutation
Adjuvant chemo can prolong survival

Question 22

Describe chondrosarcoma

Answer 22

Cartilage producing primary bone tumour

Question 23

What bones can non Hodgkin’s lymphoma arise from

Answer 23

Pelvis or femur

Question 24

Ewing’s sarcoma describe

Answer 24

Teens
Onion skin appearance
T11:12 translocations

Question 25

Give two ways to diagnose myeloma

Answer 25

Plasma protein electrophoresis

Hence jones protein assay

Question 26

There is an increase in paraprotein in

Answer 26

Myeloma