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University Orthopedics Now Offers EOS®: A Unique Low-Dose 2D/3D Imaging System

In an effort to continue our commitment to providing the highest quality care, University Orthopedics now offers EOS®, a low dose, 2D/3D imaging system dedicated to adult and pediatric patients with musculoskeletal pathologies.

What is EOS ®?

The EOS® system provides low dose, full body, images of patients in a weight-bearing, functional position. It is a bi-planar device that is based on two perpendicular X-ray beams that travel vertically while scanning the patient from head to toe. In a few seconds, the EOS exam produces two simultaneous frontal and lateral, low-dose images of the patient’s entire body without magnification or stitching.

Using the two full-body images, 3D models of your skeleton are able to be created. Your doctor will use the accurate measurements and data from the 3D model to make your diagnosis and prepare a personalized treatment for you as part of your shared decision making process.

Benefits for patients

Reduced radiation dose

The EOS system delivers 50%1 to 85%2 less radiation than traditional X-ray systems and 95%3 less dose than computed tomography (CT) scans. Reducing radiation dose is particularly beneficial for children requiring frequent imaging, such as children with spinal deformities like scoliosis. The Micro Dose feature further reduces radiation exposure, offering frontal and lateral pediatric full spine images at a dose that’s equivalent to only a week’s worth of natural radiation4.

High image quality in a weight-bearing position

Most imaging modalities capture images while you are lying down. With EOS, you will be standing or sitting during your exam. By capturing exams in an upright, weight-bearing position; physicians are able to better evaluate your global posture; understand the relationship between your spine, pelvis and lower limbs; as well as the compensatory mechanisms of the lower limbs.

This additional data is critical for physicians to improve diagnosis and treatment decisions and plan more precise surgical interventions, which can help to improve patient outcomes.

1. Diagnostic imaging of spinal deformities: reducing patient’s radiation dose with a new slot-scanning x-ray imager. Deschenes S et al. Spine. 2010
2. Comparison of radiation dose, patient comfort and financial break-even of standard digital radiography and a novel biplanar low-dose x-ray system for upright full-length lower limb and whole spine radiography. Dietrich TJ et al. Skeletal Radiol. 2013
3. Ionizing radiation doses during lower limb torsion and anteversion measurements by EOS stereoradiography and computed tomography. Delin C, et al. Eur J Radiol. 2013
4. EOS Micro Dose protocol for the radiological follow-up of adolescent idiopathic scoliosis. Ilharreborde B. et al. Eur Spine J. 2015


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  • Spine
    • The Spine Center are referred back and neck pain patients across the New England States.
  • Hand & Wrist
    • The Hand & Wrist center deals with both surgical and nonsurgical treatment of conditions and problems.
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    • The Joint Replacement Center provides the most modern treatment options for knee, hip, and shoulder replacement
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    • The Pediatric Orthopedic Center consist of three surgeons who specialize in the care of children.
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    • The Foot & Ankle Center involves clinical teams that specialize in foot and ankle surgery.
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    • The Shoulder & Elbow Center includes orthopedic surgeons and therapists who specialize in shoulder and elbow.
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    • The Sports Medicine Center helps those with sports-related injuries recover quickly to return to activity.
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    • The Trauma & Facture center works closesly together with Rhode Island Hospital's trauma specialists to identify injuries.
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    • Our orthopedic oncology center includes the expertise of a specialist in oncology and reconstructive surgery.
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    • The Cartilage Repair Center offers state-of-the-art treatment of joint cartilage lesions
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    • Have back or neck pain? Learn what causes symptoms and the home remedies that relieve pain. University Orthopedics mails out Home Remedy Books to residents throughout the New England area.
About Us

University Orthopedics in Providence, Rhode Island, is a regional referral center for patients with back and neck pain, joint pain, sports medicine problems, shoulder pain, hand problems, hip and knee pain, and foot and ankle injury. University Orthopedics utilizes fellowship-trained, sub-specialized physicians to treat a variety of orthopedic problems.