Femoral Head and Neck Ostectomy

What instrument is contraindicated for performing FHNE

Saggital Saw

Bone cutters

Osteotome

Gigli Wire

What surgical approach is recommended for FHNE?

Craniolateral approach

Dorsal Approach

Ventral approach

Caudolateral approach

How would you increase the detection of excess femoral neck?

Performing a straight VD radiograph

Internally rotating the stifles on VD radiograph

Performing a VD frog leg radiograph

Externally rotating the stifles by 30 - 45 degrees on VD radiograph

Which condition is not an indication for FHNE

Acetabular fracture

Femoral head fracture

Sacroiliac luxation

Hip dysplasia

Sciatic entrapment is a complication of FHNE and can be treated by

Amputation

Total hip replacement

Partial ischiectomy

Bicipital sling

What is the cause for mechanical lameness after FHNE?

Nerve damage

Dorsal displacement of femur during motion

Behaviour reasons

Patient is in persistent pain

What trajectory should the osteotomy be?

Perpendicular to the femoral neck

Parallel to the sagittal plane, angled 10-40 degrees towards the femoral head to account for femoral neck retroversion

Transverse to the femoral long axis

It does not matter

Which instrument produces the least amount of bone trauma when performing osteotomy for FHNE

Osteotome

Gigli wire

Bone Cutters

Saggital Saw

What is the primary goal of FHNE?

Produce a normal gait

Produce a functional pain free outcome

Return to athletic function

Why should the arthrotomy be parallel to the axis of the femoral neck?

To preserve capsular vascularity

To gain better exposure to the femoral neck

To gain better exposure to the greater trochanter

To gain better exposure to the teres ligament

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Femoral Head and Neck Ostectomy