Imaging in Foot and Ankle Care

Imaging in Foot and Ankle Care: A Patient's Guide

To provide the most accurate diagnosis and create a precise surgical plan, your doctor uses various imaging technologies. Each "picture" provides a different perspective—some show bones, while others highlight nerves, tendons, and blood flow.

1. X-Rays (Radiographs)

rays are almost always the first step in any foot or ankle They use a small amount of radiation to create images of dense structures like bone.

• Indications: Suspected fractures, bone spurs, joint arthritis, and assessing overall foot alignment (flatfeet or high arches).
• Benefits:
  • Weight-Bearing: Doctors often take "standing" X-rays to see how your bones react to the pressure of your body weight.
  • Speed: Results are typically available
  • Cost-Effective: It is the most accessible and least expensive imaging

2. MRI (Magnetic Resonance Imaging)

An MRI uses powerful magnets and radio waves to create detailed images of "soft tissues." It is the gold standard for looking at everything that isn't bone.

• Indications: Tendon tears (like the Achilles), ligament sprains, stress fractures, bone marrow edema, and tumors or cysts.
• Benefits:
  • No Radiation: MRI does not use X-
  • Unmatched Detail: It can find "hidden" injuries, such as early-stage stress fractures that don't show up on a standard X-ray for several weeks.
  • Diagnosis of Nerve Issues: Helpful in identifying neuromas or nerve

3. CT Scan (Computed Tomography)

Think of a CT scan as a 3D X-ray. It takes multiple cross-sectional images and "stacks" them to create a three-dimensional model of your foot and ankle.

• Indications: Complex fractures (especially those involving a joint), preoperative planning for ankle fusions, and evaluating "non-unions" (bones that have failed to heal).
• Benefits:
  • Bone Detail: Provides much higher resolution for bone architecture than an
  • Surgical Mapping: Allows surgeons to see exactly where to place plates and screws before the operation even begins.
  • Speed: Much faster than an MRI, usually taking only a few

4. Ultrasound

Ultrasound uses high-frequency sound waves to capture live, moving images of the inside of the body. It is the same technology used to look at a baby during pregnancy.

• Indications: Plantar fasciitis, tendonitis, identifying fluid collections (abscesses), and guiding needles for injections like Prolozone.
• Benefits:
  • Dynamic Imaging: Unlike other scans, a doctor can move your foot while watching the ultrasound to see how a tendon "glides" or "pops."
  • Convenience: Often performed right in the exam room during your
  • Safe: No radiation and completely non-

Comparison at a Glance

Patient Preparation Tips

• Metal Alert: If you are having an MRI, you must notify the staff if you have a pacemaker, shrapnel, or certain surgical implants, as the magnets are extremely strong.
• Clothing: Wear loose-fitting clothes or shorts so the technician can easily access your foot and ankle.
• Copies: Always ask for a digital copy (usually on a CD or via a portal) if you are seeing multiple specialists.

Schedule an appointment with Dr Sandhu today to discuss your options!

2120 N. MacArthur Blvd
Irving, TX 75061
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