What Is Pseudo Foster-Kennedy Syndrome?

Q:
What is pseudo Foster-Kennedy syndrome?

A:
Foster-Kennedy syndrome refers to a syndrome that pressure from a frontal lobe tumor or olfactory meningioma causes optic atrophy on the side of the tumor, along with a papilloedema on the other side owing to the raised intracranial pressure.

The syndrome is generally incomplete, and this ipsilateral optic atrophy is classically associated with a central scotoma and anosmia.

In the absence of intracranial mass, it can be labelled as pseudo-Foster Kennedy syndrome, which is a more frequent clinical picture resulting from:

  • more remote ischemia or demyelination in one eye, with subsequent atrophy, and often persistent visual loss;
  • new ischemia or demyelination in the second eye, with new visual loss.

Keyword: pseudo foster kennedy syndrome.

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