How Image-Guided Spine Injections Work: A Look Inside the Procedure

    December 30, 2025

    Image-guided spinal injections are a key tool for diagnosing and treating back and neck pain. Using X-ray or CT guidance, specialists can deliver medication with remarkable precision—right where it’s needed most.

    Why Imaging Matters

    The spine is a complex structure. Imaging ensures the needle is placed safely and accurately, improving results and reducing risks.

    Common Imaging Types Used

    • Fluoroscopy (live X-ray) — most commonly used
    • CT guidance — for difficult-to-reach areas
    • Ultrasound — sometimes used for peripheral nerve injections

    Types of Image-Guided Spine Injections

    • Epidural steroid injections (ESIs) for disc herniations or sciatica
    • Facet joint injections for arthritic back pain
    • Medial branch blocks for diagnosing facet-related pain
    • Sacroiliac joint injections for SI joint dysfunction

    What Happens During the Procedure

    • You lie comfortably on the procedure table.
    • The skin is cleaned and numbed.
    • Using imaging, the physician directs a fine needle to the precise target.
    • Contrast dye may be used to confirm needle placement.
    • Medication—often a mix of anesthetic and steroid—is injected.
    • You’re monitored briefly and can usually go home the same day.

    Benefits of Image-Guided Injections

    • Improved accuracy
    • Faster pain relief
    • Diagnostic value (helps pinpoint the exact source of pain)
    • Minimally invasive and low recovery time

    These injections can be an important step in your pain-relief plan, especially before considering surgery.