ArticleBMC medical imaging2026
An in-depth examination of variations in cerebral venous sinuses and the occurrence of sinovenous thrombosis.
Article in BMC medical imaging, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Angiographic Demonstration of a Transverse Sinus Fenestration Coexisting with a Kobayashi Type 4B Torcular Variant: Case Report.Surgical and radiologic anatomy : SRA · 2026Article
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Authors and funding
2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundPediatric cerebral sinovenous thrombosis (CSVT) is an uncommon yet serious cause of stroke in children. Although cerebral venous anatomical variations (AVs) are frequently encountered on MR venography (MRV), their potential contribution to CSVT remains unclear. Only one prior study has explored the relationship between AVs and CSVT, highlighting the need for larger population-based investigations. This study aimed to examine the prevalence of AVs in pediatric CSVT and non-CSVT populations and to assess their potential association with thrombosis and CSVT-related complications.
methodsThis retrospective study included 124 children who underwent MRV between January 2020 and November 2025. Sixty-two patients diagnosed with CSVT were age- and sex-matched with 62 controls. MRV examinations were evaluated for the presence and subtype of AVs. Clinical presentation, complications, and demographic characteristics were recorded.
resultsAV prevalence did not differ significantly between CSVT and control groups (46.7% vs. 50%, p = 0.67). The most common variation in both groups was left hypoplastic transverse sinus. AV rates were also similar between complicated and uncomplicated CSVT cases (44.4% vs. 47.1%, p = 0.92). Headache was the predominant presenting symptom (70.1%). Complications—including papilledema, elevated intracranial pressure, and venous infarction—were more common in younger patients (p = 0.01).
conclusionsAVs are common findings on pediatric MRV; however, their presence does not appear to influence CSVT development or complication risk. This study represents the largest cohort evaluating AVs in pediatric CSVT and contributes valuable evidence suggesting that AVs are incidental rather than pathogenic in this context.
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