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Convexity dural hemangioma: illustrative case.

Ellery A Hayden1, Jack A Leoni1, Frank Culicchia1

  • 1Department of Neurosurgery, Louisiana State University Health Sciences Center, New Orleans, Louisiana.

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Summary

Dural hemangiomas are rare intracranial masses that can mimic meningiomas on imaging. This case highlights the importance of considering dural hemangiomas in the differential diagnosis of dural-based tumors.

Keywords:
capillary hemangiomacavernous angiomaconvexitydural masshemangiomameningioma

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Area of Science:

  • Neurosurgery
  • Neuropathology
  • Neuroradiology

Background:

  • Dural hemangiomas are uncommon intracranial neoplasms, with only 5%-13% originating from the dura mater.
  • Hemangiomas typically present as bone or intraparenchymal lesions, making dural origin rare.

Purpose of the Study:

  • To report a case of a dural capillary hemangioma presenting as a convexity mass.
  • To emphasize the importance of considering dural hemangiomas in the differential diagnosis of dural-based masses.

Main Methods:

  • A 46-year-old female presented with a growing left frontal intracranial mass.
  • The mass was suspected to be a meningioma due to its homogeneous enhancement, extra-axial location, broad base, and dural tail.
  • Surgical resection was performed, and histopathology confirmed a dural capillary hemangioma.

Main Results:

  • The resected mass was a purplish-red lesion firmly attached to the dura.
  • Histopathological examination diagnosed the lesion as a capillary hemangioma.
  • The imaging findings mimicked those of a meningioma.

Conclusions:

  • Dural hemangiomas, especially at the convexity, are rare and can radiographically resemble meningiomas.
  • These lesions can exhibit homogeneous enhancement, a broad base, and a dural tail, complicating diagnosis.
  • Dural hemangiomas should be included in the differential diagnosis for dural-based masses to guide treatment planning.