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Radiology
Fetal choroid plexus arteriovenous malformation, masquerading as a neoplastic lesion
  1. Afshan Shaikh1,
  2. Anam Khan2,
  3. Farwa Mohsin2 and
  4. Tanveer Ul Haq2
  1. 1Ziauddin University, Karachi, Sindh, Pakistan
  2. 2Aga Khan University, Karachi, Pakistan
  1. Correspondence to Dr Anam Khan; anam.khan{at}aku.edu

Abstract

A woman in her 20s, who was pregnant, underwent a routine antenatal ultrasound revealing organised intraventricular haemorrhage and a vascular area in the left thalamic region. Fetal MRI raised suspicion of arteriovenous malformation (AVM). The baby was delivered at 36 weeks via C-section, and initial brain MRI suggested a possible neoplastic lesion.

Cerebral angiography confirmed a large AVM involving the left choroid plexus with arterial feeders from the left anterior and posterior choroidal arteries and a large venous varix draining into the vein of Galen. Both arterial feeders were successfully embolised with Onyx and glue, achieving complete occlusion.

Choroid plexus AVMs are rare and often lead to intraventricular or intraparenchymal haemorrhage. Surgical treatment has shown success, but endovascular management is effective, especially for small, deep-seated AVMs, offering a better prognosis.

  • Radiology
  • Neuroimaging

https://doi.org/10.1136/bcr-2023-258254

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    Footnotes

    • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: AS, AK, FM and TUH. The following authors gave final approval of the manuscript: AS, AK, FM and TUH.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.