Case Report

An Unusual Cause of Altered Mental Status in Elderly—Acute Cerebellitis: A Case Report and Review

Table 1

Reported cases of cerebellitis in adults.

AuthorPatient EtiologyPrincipal symptomsMRI findingsOutcome

Flanagan et al. [5] (2013)41 MUnknown, patient with Crohn’s diseaseHeadache and ataxia and cerebellar signsT2 signal abnormalities, pial enhancement and cerebellar enlargementAlive
Rizek et al. [6] (2013) 63 FSalmonella typhimurium (blood culture)Meningeal signs, appendicular ataxia Diffuse cerebellar hyperintense signal on T2 sequenceAlive with residual dysarthria and dysmetria
Ishikawa et al. [7]25 FInfluenza A (H3N2)Dysarthria, slurred speech, limb and truncal ataxiaHigh signal intensity in the cerebellar cortex on T2-weighted MRIAlive with partial neurological recovery
Sugiyama et al. [8] (2000)35 FUnknownFever, headache, stiff neck, comaDiffuse cerebellar cortical, T2 high signal, pontine lesionAlive, complete recovery
Ravi and Rozen [9] (2000)22 FUnknownAtaxia, fever, headache, stiff neckDiffuse cerebellar swelling, hydrocephalus, leptomeningeal enhancementsAlive with improvement in symptoms
Bakshi et al. [10] (1998)21 MUnknownVomiting, headacheDiffuse cerebellar swelling, herniation of the tonsil, leptomeningeal enhancementAlive with minimal residual neurological deficits at 1 year