Cerebellar Mutism Syndrome in Children After Surgery for a Posterior Fossa Tumor: Patient Characteristics and Recovery.

Cerebellar mutism syndrome (CMS) is a potential complication that may be experienced by children undergoing a resection of a posterior fossa tumor. Symptoms include mutism and emotional lability; additional symptoms may include hypotonia, difficulty swallowing, ataxia, and changes in cognition. The recovery of children experiencing CMS symptoms can be variable.