Mutism
Muteness or mutism is an inability to speak caused by a speech disorder in an otherwise cognitively alert patient 1).
Mutism is more commonly seen following posterior fossa surgery, predominantly in children, with a reported incidence varying from 2–40%. It has also been reported uncommonly in other cerebellar pathologies including trauma, vascular events and infection.
see Akinetic mutism.
see Cerebellar mutism.
Complication after Corpus callosotomy.
The syndrome of the supplementary motor area (SMA) , characterised by contralateral akinesia and mutism, is not well recognized and its features can easily be confused with pyramidal weakness.
1)
Fujisawa H, Yonaha H, Okumoto K, Uehara H, le T, Nagata Y, et al. Mutism after evacuation of acute subdural hematoma of the posterior fossa. Childs Nerv Syst. 2005;21:234–6. doi: 10.1007/s00381-004-0999-y.