Ionizing radiation doses during lower limb torsion and anteversion measurements by EOS stereoradiography and computed tomography

CORR Insights®: Can Femoral Rotation Be Localized and Quantified Using Standard CT Measures?

“…The results suggest high accuracy and similar values as obtained from CT with the benefit of reduced radiation [3,5]. In fact, even pelvic parameters can be assessed [12].…”

Three-dimensional biplanar radiography as a new means of accessing femoral version: a comparitive study of EOS three-dimensional radiography versus computed tomography

“…Patients undergoing MRI may also require anesthesia, which increases the cost and risk to the patient [20]. Technology such as EOS appears to provide similar results, but with a fraction of the radiation exposure [3,16,21], and it is time effective. An additional benefit of imaging subjects with the biplanar radiography technique is that the imaging can be performed upright to simulate weightbearing situations.…”

“…New measurement techniques that allow femoral version to be measured from 3D reconstructions of biplanar radiographs can potentially provide accurate measurements without increased radiation exposure. One such technology is the EOS imaging system and sterEOS software (EOS Imaging, Paris, France), which provides imaging of lower limb torsional alignment at a 4-to 30-times decreased radiation dose compared to a 16-slice CT scanner [16]. Several studies have compared femoral version calculations from CT to measurements made from BR 3D reconstructions [3,14,17,18], but several questions remain.…”

Internal Derangements of Joints—Past, Present, and Future

“…154 Imaging of the whole spine of a child in 2 planes (frontal and lateral views) using this technique leads to a radiation dose of approximately 358 μSv. 155 For comparison, the radiation dose of a whole spine examination in one plane using a conventional digital radiography system leads to a dose of approximately 1500 μSv. 155 Thanks to newly introduced hardware and software (the socalled MicroDose© technique), the radiation dose associated with a 2-plane spine scan in children can be even further reduced to approximately 58 μSv.…”

“…155 For comparison, the radiation dose of a whole spine examination in one plane using a conventional digital radiography system leads to a dose of approximately 1500 μSv. 155 Thanks to newly introduced hardware and software (the socalled MicroDose© technique), the radiation dose associated with a 2-plane spine scan in children can be even further reduced to approximately 58 μSv. This radiation is approximately equal to the radiation dose acquired while living on earth for one week (8 μSv per day).…”