MSK

Question 1

Crescent sign on pelvic x-ray

Answer 1

Avascular necrosis

Question 2

Weber type A fracture

Answer 2

Fracture distal to the syndesmosis

Question 3

Weber type B fracture

Answer 3

Fracture involving the syndesmosis

Question 4

Weber type C fracture

Answer 4

Fracture proximal to the syndesmosis (involving the ankle ligaments making it unstable)

Question 5

What is the management of Weber type A,B and C fractures

Answer 5

A = CAM boot and mobilise 
B = CAM boot vs ORIF depending on stability 
C = ORIF

Question 6

Explain the Salter-harris classification system

Answer 6

Type 1 = involves the physis
Type 2 = involves the physis and epiphysis
Type 3 = involves the physis and metaphysis
Type 4 = involves the physis, epiphysis and metaphysis
Type 5 = crush fracture of physis

Question 7

imaging of choice for achilles tendon rupture

Answer 7

USS

Question 8

what is the management of anti-phospholipid syndrome?

Answer 8

Primary prophylaxis - 75mg aspirin
Secondary prophylaxis (miscarriage doesnt count as thrombotic event)- warfarin or LMWH if pregnant `

Question 9

pencil in cup xray appearance

Answer 9

Psoriatic arthritis

Question 10

pain in DIP joints worse in morning and relieved by exercise

Answer 10

psoriatic arthritis

Question 11

shortened and externally rotated leg

Answer 11

femoral/NOF fracture

Question 12

shortened and internally rotated leg

Answer 12

hip dislocation

Question 13

feltys syndrome triad

Answer 13

rheumatoid arthritis with destructive joint involvement + low white cell count + splenomegaly

Question 14

imaging of choice for suspected osteomyelitis?

Answer 14

MRI

Question 15

where is the most common site that osteomyelitis occurs in the long bones of children?

Answer 15

metaphysis

Question 16

how are scaphoid fractures managed?

Answer 16

• displaced = screw fixation
• undisplaced = cast 6-8 weeks
• suspect fracture but not seen on imaging = cast and rescan in 2 weeks

Question 17

what is the most common cause of septic arthritis in a young sexually active person?

Answer 17

Neisseria gonorrhoea

Question 18

what inheritance pattern does marfans have?

Answer 18

autosomal dominant

Question 19

what are the indications for starting bisphosphinates?

Answer 19

• DEXA score less than -2.5
• person on logn term steroids
• anyone 75 or older with fragility fracture

Question 20

intracapsular displaced radial #

Answer 20

Barton’s fracture

Question 21

extracapsular radial # with dorsal angulation

Answer 21

Colle’s fracture

Question 22

extracapsular radial # with palmar angulation

Answer 22

Smith’s fracture

Question 23

outpouching of bone following trauma

Answer 23

Buckle fracture

Question 24

ulnar # with dislocation at elbow

Answer 24

Monteggia

Question 25

radial # with dislocation at wrist

Answer 25

Galeazzi

Question 26

fracture that does not go all the way through the bone

Answer 26

Greenstick fracture

Question 27

Management of a displaced intracapsular hip #

Answer 27

Total hip replacement or hemi-arthroplasty

Question 28

Managment of sub trochanteric hip #

Answer 28

IM nail

Question 29

management of stable intra-trochanteric hip #

Answer 29

Dynamic hip screw

Question 30

management of unstable intra-trochanteric hip #

Answer 30

IM nail

Question 31

Twisting injury, pain and hemarthrosis at knee

Answer 31

ACL rupture

Question 32

hyperextension injury to knee

Answer 32

PCL rupture

Question 33

force to outside of leg

Answer 33

medial collateral ligamnet

Question 34

rotational injury + locking

Answer 34

meniscal tear

Question 35

Teenage girl with knee pain going down stairs

Answer 35

chondromalacia patellae

Question 36

unhappy triad with knee

Answer 36

ACL, medial collateral and meniscal tear

Question 37

A sporty teenager presents with knee pain after exercise associated with intermittent swelling and locking

Answer 37

osteochondritis dissecans

Question 38

A sporty teenage boy presents with pain, tenderness and swelling over the tibial tubercle

Answer 38

osgood-slater disease