ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2025
Usefulness of portrait imaging for intraoperative cone beam computed tomography in adolescent idiopathic scoliosis surgery: a phantom study.
Article in European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
STUDY
designComparative study of radiation doses in intraoperative cone-beam computed tomography (CBCT) using an anthropomorphic phantom.
objectiveCompare the portrait and conventional landscape CBCT imaging methods under intraoperative conditions focusing on dose reduction rate, image quality, and imaging range. Intraoperative CBCT improves the accuracy of pedicle screw (PS) insertion in posterior spinal fusion (PSF) for adolescent idiopathic scoliosis (AIS). We recently introduced portrait imaging for intraoperative CBCT in PS insertion using surgery navigation for AIS. However, evidence is scarce on the comparative radiation dose and image quality of this orientation versus landscape imaging.
methodsA human body phantom was equipped with radiophotoluminescent glass dosimeters both inside and on the surface for measuring radiation doses under portrait and landscape CBCT imaging methods. Radiation doses were evaluated by average dose index (ADI), surface dose (D
resultsThe respective mean ± standard deviation radiation doses for portrait and landscape imaging were 42.9 ± 0.7 and 50.6 ± 1.1 mGy for ADI (i.e., approximately 15% less radiation dose for portrait), 53.9 ± 1.6 and 65.2 ± 1.2 mGy for D
conclusionPortrait-mode CBCT allows for a wider craniocaudal imaging range and enables intraoperative CBCT imaging at lower radiation doses without compromising image quality.
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