ArticleAJNR. American journal of neuroradiology2023
Modified Dynamic CT Myelography for Type 1 and 2 CSF Leaks: A Procedural Approach.
Article in AJNR. American journal of neuroradiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Detecting the drip: pediatric neuroradiologist guide to spinal CSF leaks.Pediatric radiology · 2026Review
- An integrated classification to guide the management of spinal meninges pathologies.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 · 2026Article
- Updated ultrafast dynamic computed tomography myelography technique for cerebrospinal fluid leaks.Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2026Article
- Modified Ultrafast Dynamic CT Myelography: Method, Outcomes, and Comparison With Noninvasive Imaging.Journal of clinical neurology (Seoul, Korea) · 2026Article
- Targeted repair of a refractory ventral cerebrospinal fluid leak identified by dynamic computed tomography myelography: illustrative case.Journal of neurosurgery. Case lessons · 2026Article
- Advanced Imaging of Type 2 Spinal CSF Leaks with Ultra-High-Resolution Conebeam CT Myelography.AJNR. American journal of neuroradiology · 2025Article
- Notable differences in changes between ventral and dorsolateral spinal longitudinal extradural CSF collection after treatment in patients with spontaneous spinal CSF leaks.Neurosurgical review · 2025Article
- Assessing the Diagnostic Value of Brain White Matter Hyperintensities and Clinical Symptoms in Predicting the Detection of CSF-Venous Fistula in Patients with Suspected Spontaneous Intracranial Hypotension.AJNR. American journal of neuroradiology · 2025Article
- Prevalence of Spinal Meningeal Diverticula in Autosomal Dominant Polycystic Kidney Disease.AJNR. American journal of neuroradiology · 2025Article
- "Flow Void Sign": Flow Artifact on T2-Weighted MRI Can Be an Indicator of Dural Defect Location in Ventral Type 1 Spinal CSF Leaks.AJNR. American journal of neuroradiology · 2025Article
- Spontaneous Intracranial Hypotension in Children: A Multi-Institutional Review of Spinal CSF Leaks Localized on Advanced Myelography.AJNR. American journal of neuroradiology · 2024Article
- Spinal CSF Leaks: The Neuroradiologist Transforming Care.AJNR. American journal of neuroradiology · 2024Article
- Lateral Spinal CSF Leaks in Patients with Spontaneous Intracranial Hypotension: Radiologic-Anatomic Study of Different Variants.AJNR. American journal of neuroradiology · 2024Article
- Long-Term Epidural Patching Outcomes and Predictors of Benefit in Patients With Suspected CSF Leak Nonconforming to ICHD-3 Criteria.Neurology · 2024Article
- Benefits of Photon-Counting CT Myelography for Localization of Dural Tears in Spontaneous Intracranial Hypotension.AJNR. American journal of neuroradiology · 2024Article
- [Spinal Presentation of Spontaneous Intracranial Hypotension].Journal of the Korean Society of Radiology · 2024Review
- Utility of Photon-Counting Detector CT Myelography for the Detection of CSF-Venous Fistulas.AJNR. American journal of neuroradiology · 2023Article
- Conebeam CT as an Additional Tool in Digital Subtraction Myelography for the Detection of Spinal Lateral Dural Tears.AJNR. American journal of neuroradiology · 2023Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
background and purposeDynamic CT myelography can identify spinal CSF leaks secondary to dural tears (type 1) and ruptured meningeal diverticula (type 2), but the radiation can be high secondary to multiple successive acquisitions. The purpose of this article is to discuss the procedural approach of a modified dynamic CT myelography technique with single scan acquisitions, reduced contrast volume, and condensed scan coverage and compare its radiation dose with that in traditional dynamic CT myelography. MATERIALS AND
methodsRetrospective review was performed for patients with spontaneous CSF leaks showing extradural collections on spine MR imaging who underwent traditional and modified dynamic CT myelography. The radiation doses between the 2 cohorts were compared.
resultsThirty-seven patients (25 women, 12 men) had a type 1 or 2 CSF leak on dynamic CT myelography. Thirty-one patients had a type 1 CSF leak, and 6 patients had type 2 leaks. The traditional dynamic CT myelography was performed in 25 patients, and the average number of acquisitions per dynamic CT myelography was 3.6. The mean total effective dose per dynamic CT myelography was 31.3 mSv (range, 11.3-68.4 mSv). The modified dynamic CT myelography was performed in 12 patients, and the average number of acquisitions was 2.8. The mean total effective dose per dynamic CT myelography was 15.1 mSv (range, 4.8-24.6 mSv). The effective dose and dose-length product between the cohorts were statistically significant (
conclusionsModified dynamic CT myelography performed with single scan acquisitions, smaller volume of contrast, and reduced scan coverage can reduce the radiation dose for type 1 and 2 CSF leak detection.
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