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Radiology

Working Closely with Radiology for Accurate Diagnosis and Surgical Planning

As an orthopaedic surgeon specialising in hip and knee conditions, I work closely with radiology departments to ensure each patient receives a precise diagnosis and a carefully tailored treatment plan.

Imaging is not just a formality—it plays a critical role in understanding the underlying cause of your symptoms. In many cases, subtle findings on X-rays, MRIs, or CT scans can guide important decisions about whether surgery is appropriate, what kind of surgery is best, and how it should be performed.

For this reason, I request specific radiology investigations using protocols that are optimised for orthopaedic assessment. These are not always the same as standard scans. They are designed to show the joint in the right angles, weightbearing positions, and with enough detail to allow me to plan procedures accurately.

I collaborate closely with radiology providers to ensure that the correct protocols are followed. If imaging is done elsewhere, I may need to repeat or supplement the studies to ensure they meet the necessary standards for surgical planning.

Below is a list of radiology protocols I rely on as part of my diagnostic and preoperative workup:

Hip Replacement:
  • Weightbearing AP Pelvis X-ray – with beam centred on the the pubic symphysis and no pelvic rotation
  • False Profile View
  • Lateral Erect Pelvis (including from L1 SEP to proximal femoral shaft, including the pubic symphysis)
  • Lateral Flexed Seated Pelvis (including from L1 SEP to proximal femoral shaft, including the pubic symphysis)
  • EOS AP and lateral lower limbs

  • Hip Preservation:
  • Weightbearing AP Pelvis X-ray – with beam centred on the the pubic symphysis and no pelvic rotation
  • False Profile View
  • Dunn 45° Lateral View
  • MRI Hip (with cartilage sequencing, no arthrogram)
  • CT Scan for 3D planning (including axial cuts through the pelvis and hips, knees, and ankles)

    Knee Replacement and Sports Knee:
  • Weightbearing AP, Rosenberg, Lateral and Skyline Views
  • MRI Knee (high-resolution, includes meniscus and cartilage assessment)
  • Long-leg Alignment X-rays (Hip-Knee-Ankle axis)
  • CT Scan for 3D planning (including axial cuts through the pelvis and hips, knees, and ankles)

  • These protocols ensure I have the right information to give you the best possible care—whether that means non-operative treatment, arthroscopic surgery, or a joint replacement tailored to your anatomy.

    If you’re attending an imaging appointment, please bring or forward your referral to ensure the radiology provider is aware of the correct protocol.

    For Radiology Departments

    If you work in a radiology department and would like to view the protocols Dr Robinson requries to appropriately plan his hip and knee replacements, please click on the relevant link below:

    Medacta MyHipPlanner Total Hip Replacement Preoperative Imaging Protocol

    Stryker MAKO Total Knee Replacement Preoperative Imaging Protocol

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