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Diagnostic testing methods

Evaluation of back and neck pain requires a physician experienced in diagnosing spinal conditions. The work-up begins with a detailed history and physical examination. Your medical history helps the doctor understand your back and neck pain and the influence of your lifestyle on your pain.

During your physical exam, your physician will try to pinpoint the source of pain. Simple tests for flexibility and muscle strength may also be conducted. Diagnostic tests may be ordered to confirm the location and source of your pain.

Diagnostics may include:

  • X-rays are usually the first step in diagnostic testing methods. X-rays show bones and the spaces between the bones.

  • MRI (magnetic resonance imaging) uses a magnetic field and radio waves to generate highly-detailed pictures of the inside of your body. Because X-rays only show bones, MRIs are needed to see soft tissues like discs in the spine. These images help your doctor provide a more accurate diagnosis. This type of imaging is very safe and usually pain free.

  • CT scan/myelogram - A CT scan is similar to an MRI in that it provides more diagnostic information about the internal structures of the spine. A myelogram is used to diagnose a bulging disc, tumor or changes in the bones surrounding the spinal cord or nerves. A local anesthetic is injected into your low back to numb the area. A lumbar puncture (spinal tap) is then performed. A dye is injected into the spinal canal to reveal where problems lie.

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  • Electrodiagnostic - Electrical testing of the nerves and spinal cord may be performed as part of our diagnostic workups. These tests, called Electromyography (EMG) or Somato Sensory Evoked Potentials (SSEP), assist your neurosurgeon in understanding how your nerves or spinal cord are affected by your condition.

  • Bone Scan - Bone imaging is used to detect infection, malignancy, fractures and arthritis in any part of the skeleton. Bone scans are also used for finding lesions for biopsy or excision.

  • Discography - Discography is used to determine the internal structure of your disc. It is performed by using a local anesthetic and injecting a dye into your disc under X-ray guidance. An X-ray and CT scan are performed to view the appearance of the disc composition to determine if its structure is normal or abnormal. In addition to your disc appearance, your doctor will note if you have pain with this injection. The benefit of a discogram is that it enables the spine surgeon to confirm which disc level is really causing your pain. This ensures that surgery will be more successful and reduces the risk of operating on the wrong disc.

  • Injections - Pain-relieving injections can relieve back pain and give the physician important information about the problem, as well as provide a bridge therapy.

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Patient Success Stories
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Bob

Surgery repairs damaged disc and returns outdoorsman to activity.

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Paramedic gets back to life with Kenai Spine.

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Healthcare CEO back on the job after pain relieving spine surgery.

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School administrator recovers from back pain without surgery.

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Dog sled champion back on the trails after non-surgical treatment.

Educational Resources
Medical Animations

Watch various medical animations to learn about conditions and treatment options.

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View medical illustrations that help you understand pain symptoms.

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Learn about special exercises and stretches that can relieve pain and help rehab muscles and joints.

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Learn about minimally invasive surgery techniques that enable patients to go home the same day.

Where to find us

Kenai Spine is the only spine center in the State of Alaska to be included in Spine Center Network, an exclusive national listing of spine centers of excellence that meet credentialing criteria related to fellowship-trained spine surgeons; non-surgical Mayo Clinic-trained MD physical medicine specialist for back and neck pain; nd affiliated spine therapists. With an office on the Kenai Peninsula, and two offices in Anchorage, Kenai Spine provides great convenience to those with back pain or neck pain problems who live around Anchorage, including Wasilla, Palmer, Eagle River and the Mat-Su Valley. Click here for directions to our Anchorage offices or our main office in Soldotna on the Kenai Peninsula.

Physician Bios
Medical Animations

S. Craig Humphreys, MD
Board Certified Orthopedic Surgeon
Fellowship-Trained Spine Surgeon

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John L. Andreshak, MD
Board Certified Orthopedic Surgeon
Fellowship-Trained Spine Surgeon

Stewart Kerr, MD

Stewart Kerr, MD
Board Certified Orthopedic Surgeon
Fellowship-Trained Spine Surgeon

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Mark Simonson, MD
Board Certified in PM&R
Board Certified in Pain Medicine