Olfactory dysfunction is common in classical infratentorial superficial siderosis of the central nervous system.
Natallia KharytaniukE A LimE ChanM PavlouD J WerringD E BamiouPublished in: Journal of neurology (2022)
We report a high prevalence of olfactory dysfunction in iSS, the severity of which correlated with hearing loss. Olfaction appears to be a core feature of the iSS clinical syndrome that should be assessed routinely.