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Neurology
Corpus callosum granuloma after endovascular squid embolisation of a ruptured arteriovenous malformation
  1. Linford Fernandes1,2,
  2. Fathallah Ismail Islim3,
  3. Fozia Saeed4,
  4. Tufail Patankar3 and
  5. Zeid Yasiry1
  1. 1Department of Neurology, Leeds Teaching Hospitals NHS Trust, Leeds, UK
  2. 2University of Leeds School of Medicine, Leeds, West Yorkshire, UK
  3. 3Department of Interventional Neuroradiology, Leeds Teaching Hospitals NHS Trust, Leeds, UK
  4. 4Department of Neurosurgery, Leeds Teaching Hospitals NHS Trust, Leeds, UK
  1. Correspondence to Dr Linford Fernandes; linford.fernandes{at}nhs.net

Abstract

A late adolescent patient was admitted after a collapse and was found to have an intracranial haemorrhage due to an underlying midline arteriovenous malformation (AVM). The patient underwent trans-arterial squid embolisation of the AVM with good radiological resolution. 18 months later, the patient presented with new onset headaches. Cranial imaging demonstrated an enhancing lesion at the site of the previously thrombosed AVM in the corpus callosum. This was deemed to be a foreign body granuloma, a rare complication of intravascular embolisation of AVMs. The patient continued to have periodic imaging with subsequent scans demonstrating progressive changes in the granuloma and this was then resected surgically. We describe the natural history of the granuloma formation, outline the cranial imaging features associated with this rare condition and review the literature of similar cases.

  • Interventional radiology
  • Neurosurgery

https://doi.org/10.1136/bcr-2024-261079

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    Footnotes

    • X @linford_f

    • Contributors The following authors were responsible for drafting the text, sourcing and editing clinical images and investigation results, drawing original diagrams and algorithms and critically revising for important intellectual content: LF, FII, FS, TP, ZY and AS. The following authors gave the final approval of the manuscript: LF, FII, FS, TP, ZY and AS.

    • 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.