What is pseudo Foster-Kennedy syndrome?
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.