ArticleCancer management and research2018
Impact of CT slice thickness on volume and dose evaluation during thoracic cancer radiotherapy.
Article in Cancer management and research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cardiac substructure dosimetry in postoperative breast-conserving radiotherapy: a novel 8-field IMRT approach for internal mammary node irradiation using MONACO.Frontiers in oncology · 2025Article
- Article
- High through-plane resolution CT imaging with self-supervised deep learning.Physics in medicine and biology · 2021Article
- Automated procedure for slice thickness verification of computed tomography images: Variations of slice thickness, position from iso-center, and reconstruction filter.Journal of applied clinical medical physics · 2021Article
- A Practical Method for Slice Spacing Measurement Using the American Association of Physicists in Medicine Computed Tomography Performance Phantom.Journal of medical physicsArticle
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Authors and funding
7 authors.
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Abstract
introductionAccurate delineation of targets and organs at risk (OAR) is required to ensure treatment efficacy and minimize risk of normal tissue toxicity with radiotherapy. Therefore, we evaluated the impacts of computed tomography (CT) slice thickness and reconstruction methods on the volume and dose evaluations of targets and OAR. PATIENTS AND
methodsEleven CT datasets from patients with thoracic cancer were included. 3D images with a slice thickness of 2 mm (2-CT) were created automatically. Images of other slice thickness (4-CT, 6-CT, 8-CT, 10-CT) were reconstructed manually by the selected 2D images using two methods; internal tumor information and external CT Reference markers. Structures and plans on 2-CT images, as a reference data, were copied to the reconstructed images.
resultsThe maximum error of volume was 84.6% for the smallest target in 10-CT, and the maximum error (≥20 cm
conclusionThe image reconstruction method by internal tumor information was less affected by slice thickness than the image reconstruction method by external CT Reference markers. This study suggested that before positioning scanning, the largest section through the target should be determined and the optimal slice thickness should be estimated.
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