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This patient has an olfactory groove meningioma extending into the roof of the nasal cavity. Typical of meningioma, hyperostosis of the skull does not necessarily imply invasion (although this point is controversial).

Used in the following article:

  • Hyperostosis of the skull - “The differential diagnosis for hyperostosis of the skull depends on whether it is focal or diffuse. DiffusePaget's disease of bonemetastatic disea...”

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