scaphoid fractures

Question 1

how does a Scaphoid fracture occur ?

Answer 1

FOOSH

Question 2

what is the important complication of scaphoid fracture

Answer 2

avascular necrosis of the scaphoid due to dorsal carpal branch of the radial arteries blood supply getting interrupted

Question 3

symptoms

Answer 3

pain along the radial aspect at the base of the thumb
tenderness over the anatomical snuffbox
wrist joint effusion
pain on telescoping of the thumb

Question 4

ivx

Answer 4

plain film radiographs in AP and lateral views
MRI diagnostic

Question 5

initial mx

Answer 5

immobilisation with a futuro splint or standard below elbow backslab and clinical review to be arranged for 7-10 days later

Question 6

orthopaedic management

Answer 6

undisplaced - cast for 6-8 weeks
displaced - surgical fixation
proximal scaphoid pole fractures- surgical fixation

Question 7

features of psoriatic arthritis

Answer 7

asymmetrical
dip joint
dactylitis

Question 8

features of avascular necrosis of the femoral head

Answer 8

asymptomatic + pain in affected joint
ivx with plain xray and MRI which shows osteopenia and microfractures