ArticleThe British journal of radiology2025
Comparison of low-dose CT and MRI in enthesitis-related arthritis patients with sacroiliitis.
Article in The British journal of radiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- High performance of low-dose ultrahigh-resolution photon-counting detector CT for sacroiliac joint assessment in axial spondyloarthritis.European journal of radiology open · 2026Article
- A tale of two regions: comparing clinical features and outcomes in pediatric enthesitis-related arthritis.Pediatric rheumatology online journal · 2025Article
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5 authors.
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Abstract
objectiveThis study investigated the utility of low-dose CT (ldCT) compared with MRI in diagnosing sacroiliitis in enthesitis-related arthritis (ERA) patients.
methodsThirty patients diagnosed with ERA were evaluated, with a median follow-up of 1.47 years. Images from patients were examined by two paediatric radiologists. For each patient, we assessed the density changes on ldCT at corresponding locations, employing the signal intensity observed on MRI across each joint surface as a reference. While measurements in areas without oedema on MRI showed relatively high density, measurements in areas with oedema on MRI showed relatively low density.
resultsMRI revealed bilateral bone marrow oedema in 22 (73.3%) patients. During the ldCT evaluation of the right iliac crest, lower density was identified on ldCT in regions displaying heightened signal intensity on MRI in 20 (66.6%) patients. On the right sacral side, lower density was observed in the ldCT of 22 (73.3%) patients. Moving to the left iliac crest, 18 (60%) patients displayed a lower density. On the left sacral side, lower density was identified on ldCT in 22 (73.3%) patients. Erosion was detected in 23 patients on ldCT, whereas only 11 patients showed erosion on MRI.
conclusionsThis study suggests that ldCT is superior to MRI for early structural change detection. Pixel-based density evaluation in ldCT aligns with MRI for bone marrow oedema. ADVANCES IN KNOWLEDGE: The present study showed that ldCT is superior to MRI for early structural change detection. Pixel-based density evaluation in ldCT aligns with MRI findings for bone marrow oedema.
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