Decreased cerebellar activity on FDG PET/CT secondary to diffuse idiopathic cerebellar calcification

Mohammed T. Nawas, Wayne S. Kubal, Phillip H. Kuo

Research output: Contribution to journalArticlepeer-review

Abstract

Cerebellar hypometabolism on FDG PET has been described in several conditions, for example, chronic alcohol abuse, antiepileptic medication use, multiple system atrophy, and cerebellar infarction. Corresponding cross-sectional examination is paramount in distinguishing possible etiologies because each condition has a relatively characteristic appearance. We present a case of an asymptomatic patient with diffuse cerebellar hypometabolism found incidentally on FDG PET/CT performed for suspected recurrence of gastric carcinoma. Accompanying CT images demonstrated calcification of the cerebellum and therefore confirmed the etiology of diffuse idiopathic cerebellar calcification. Identifying this diagnosis is critical for using the cerebellum as a standard to evaluate other brain structures.

Original languageEnglish (US)
Pages (from-to)906-907
Number of pages2
JournalClinical nuclear medicine
Volume37
Issue number9
DOIs
StatePublished - Sep 1 2012

Keywords

  • FDG PET/CT
  • cerebellar hypometabolism
  • cerebellum
  • diffuse idiopathic cerebellar calcification
  • multiple system atrophy

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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