ArticleBiomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia2022
Is ultra low-dose CT with tin filtration useful for examination of SI joints? Can it replace X-ray in diagnostics of sacroiliitis?
Article in Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- ESR Essentials: Imaging of sacroiliitis-practice recommendations by ESSR.European radiology · 2024Guideline
- Standardized reporting of sacroiliac joints in spondyloarthritis on CT: modified Delphi consensus on lesion definitions from the ESSR-Arthritis Subcommittee.European radiology · 2026Article
- Sub-mSv CT for pediatric and young adult hip imaging: a low-radiation-dose alternative to pelvic radiography.Pediatric radiology · 2026Article
- Axial Imaging in Spondyloarthritis.Rheumatic diseases clinics of North America · 2024Review
- Zero echo time MRI improved detection of erosions and sclerosis in the sacroiliac joint in comparison with LAVA-flex.Frontiers in endocrinology · 2023Article
- Use of Imaging in Axial Spondyloarthritis for Diagnosis and Assessment of Disease Remission in the Year 2022.Current rheumatology reports · 2022Review
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7 authors.
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Abstract
objectivesThe first objective of our study was to determine the radiation exposure received by patients during tin-filtrated ultra-low-dose computed tomography (TFULDCT) of sacroiliac joints and to compare those to conventional X-ray doses. For comparison, we added a cohort examined by low-dose CT (LDCT) without tin filtration. The second objective was to compare the results of TFULDCT and X-ray in the detection of sacroiliitis.
methodsOur retrospective study covered 45 patients, who were examined for suspected axial spondyloarthritis (AxSpA). The first group underwent TFULDCT as well as conventional radiography (CR); the second group underwent LDCT only without tin filtration. Effective doses of TFULDCT, LDCT and CR were calculated by an experienced medical physicist. TFULDCT and CR were independently evaluated by three investigators, who decided on the presence or absence of rheumatoid inflammatory bone changes. The results were statistically evaluated.
resultsIn our cohort, the median effective dose for TFULDCT was 0.11 mSv, range (0.06-0.40 mSv), for LDCT 0.5 mSv (0.29-0.89 mSv), and for CR 0.25 mSv (0.06-1.87 mSv). We proved that TFULDCT produces a significantly lower percentage of uncertain results (23.3%; 95% CI: 11.3-41.6%) than CR (66.7%; 95% CI: 48.3-81.1%).
conclusionsTin filtration helps to reduce CT radiation exposure to values lower than those resulting from CR. TFULDCT offers better overall diagnostic performance than CR. Our results prove that TFULDCT can replace CR in the diagnosis of sacroiliitis in the radiographical stage of AxSpA.
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