ArticleJournal of clinical neurology (Seoul, Korea)2026
Modified Ultrafast Dynamic CT Myelography: Method, Outcomes, and Comparison With Noninvasive Imaging.
Article in Journal of clinical neurology (Seoul, Korea), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Diagnostic Value of Flow-Void Sign for Localizing Ventral Dural Defects in Spine MRI.Journal of clinical neurology (Seoul, Korea) · 2026Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
background and purposeSpontaneous intracranial hypotension (SIH) is primarily caused by cerebrospinal fluid (CSF) leakage; however, precise localization of the leakage remains challenging. This study evaluated the outcomes of ultrafast CT myelography in Korea.
methodsData were prospectively collected from patients with SIH who underwent ultrafast CT myelography at Seoul National University Hospital between August 2023 and December 2024. Success rates and leakage sites were documented. We also examined whether the most prominent lateral extradural fluid collection observed on heavily T2-weighted magnetic resonance (MR) myelography could predict the actual leak site identified by ultrafast CT myelography.
resultsFifty-one patients (22 males and 29 females) underwent ultrafast CT myelography, with a mean age of 42.9±10.3 years (range, 25-70 years). Technical success rate was 90.2% (46/51). Leakage sites were identified in 44 patients (95.7%) of the 46 with successful examinations. Among these 44 patients, 4 (9.1%) demonstrated spinal cord herniation at the dural defect site. The leak site was cervical in 2 patients (5.0%) and thoracic in 38 patients (95.0%): 28 at the upper, 8 at the mid, and 2 at the lower thoracic levels. Among the 40 patients with visible leakage, only 5 (12.5%) had exact concordance between the leakage site and the most prominent lateral extradural fluid collection seen on pre-procedural MR myelography.
conclusionsThe upper thoracic level was the most common site of CSF leakage, which differed from assumptions based on noninvasive spine MR myelography or non-contrast spine CT.
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