NEURO: Extra-axial masses

Playlist contributed by Chris Newman

Extra-axial masses


  • Solid = Meningioma; Metastasis; Lymphoma; Haemangiopericytoma
  • Cystic/Fluid = Arachnoid cyst; Epidermoid cyst; Extra-axial blood collections/empyema

Clival/prepontine cistern:

  • Midline = Chordoma; Meningioma; Metastasis
  • Paramidline = Chondrosarcoma

CPA mass:

  • Vestibular Schwannoma (extends into IAC); Meningioma; Metastasis; Epidermoid cyst; arachnoid cyst.

Other extra-axial masses:

  • Aneurysms

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