Hip Pathology

Question 1

Where does the femoral head get its blood supply from

Answer 1

Mainly from medial circumflex artery (terminating branches called lateral epiphysial artery), secondly from the lateral circumflex artery. Both come from deep femoral artery

Small part from inferior gluteal artery

Question 2

What are the regions of the NOF

Answer 2

Intracapsular - from subcapital to intertrochentaric line

Extra capsular - imtertrochemtaric reigon and subtrochentaric region(from lesser trochanter to 5cm distal)

Question 3

Where does the joint capsule of the NOF end

Answer 3

Inter trochentaric line

Question 4

Classification of intracapsular fractures

Answer 4

Gardens

1- non complete and non displaced
2- complete but not displaced
3- complete and partial displacement
4- complete and very displaced

Question 5

Management of an intertrochentaric NOF

Answer 5

Dynamic hip screw

Question 6

Management of a sub trochentaric NOF

Answer 6

Intramedullary nail

Question 7

Managment of a undisplaced intracapsular NOF

Answer 7

Internal fixation with cannulated hip screw

Question 8

Managment of a displaced NOF

Answer 8

Hip arthroplasty

If fit, we’ll and previously able to mobilise- consider total

If significant co morbidities consider hemiarthroplasty

Question 9

Mx of displaced intracapsular NOF

Answer 9

If well, total arthroplasty

If previous comorbidities, hemi

Question 10

What x ray films should be taken of NOF

Answer 10

AP and lateral plain film of affected hip, as well as AP pelvis