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Volume 20, Issue 1
  • ISSN: 1573-4056
  • E-ISSN: 1875-6603
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Abstract

Background

Dural sinus malformation (DSM) is a rather rare congenital condition that can be encountered in the fetus and infants. The cause and etiology of DSM remain unclear. Obstetric ultrasound plays a key role in screening fetal brain malformations, and MRI is frequently used as a complementary method to confirm the diagnosis and provide more details.

Objective

Here, we present a fetus with DSM by multiple imaging methods to help better understand the imaging characteristics of this malformation.

Case Presentation

A 22-year-old primipara was referred to our hospital at 25 weeks of gestation following the detection of a fetal intracranial mass without any symptoms. A prenatal ultrasound performed in our hospital at 25 + 2 gestational weeks showed a large anechoic mass with liquid dark space, while no blood flow was detected. After the initial evaluation, this primipara received a prenatal MRI in our hospital. This examination at 25 + 5 gestational weeks delineated a fan-shaped mass in the torcular herophili, which was iso-to hyperintense on T1WI and hypointense on T2WI. At the lower part of this lesion, a quasi-circular hyperintense on T1WI and a signal slightly hyperintense on T2WI could be seen. Meanwhile, the adjacent brain parenchyma was compressed by the mass.

Conclusion

We reviewed the current literature to obtain a better understanding of the mechanisms, imaging characteristics, and survival status of DSM. Although the primipara of the present study regretfully opted for elective termination of pregnancy, the reevaluation of DSM survival deserves more attention because of the better survival data from recent studies.

© 2024 Li et al.
This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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2024-01-01
2025-05-10

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/content/journals/cmir/10.2174/0115734056269607231124074920
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Magnetic Resonance Imaging of Dural Sinus Malformation in a Fetus: A Case Report
Curr. Med. Imaging 20, e15734056269607 (2024); https://doi.org/10.2174/0115734056269607231124074920
/content/journals/cmir/10.2174/0115734056269607231124074920
/content/journals/cmir/10.2174/0115734056269607231124074920
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  • Article Type:     Research Article
Keyword(s): Congenital condition; Dural sinus malformation; Fetus; MRI; Pregnancy; Ultrasound

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