Advanced magnetic resonance imaging in benign hereditary chorea: Study of two familial cases

Gloria Maccabelli, Anna Pichiecchio, Andrea Guala, Michela Ponzio, Fulvia Palesi, Diego Maranzana RT, Guy Umberto Poloni, Stefano Bastianello, Cesare Danesino

Research output: Contribution to journalArticlepeer-review

Abstract

No brain abnormalities are usually detected on conventional magnetic resonance imaging (MRI) in benign hereditary chorea (BHC); there are currently no studies with advanced techniques in literature. We investigated whether conventional and advanced MRI techniques could depict regional brain abnormalities in two familial BHC patients and 24 healthy controls. No brain abnormalities on conventional scans were detectable; also, no significant differences in fractional anisotropy of the basal nuclei were observed. Volumetric analysis showed a decreased volume of the striatum bilaterally compared with controls, whereas spectroscopy demonstrated a significant increased myoinositol/creatine ratio bilaterally, a reduction of choline/creatine ratio bilaterally, and of N-acetyl-aspartate/creatine in the right putamen. With the limits of the small sample size in the patient group, these data show that, despite the absence of macroscopic changes on conventional MRI, volumetric and metabolic abnormalities are present in the basal nuclei of BHC patients.

Original languageEnglish
Pages (from-to)2670-2674
Number of pages5
JournalMovement Disorders
Volume25
Issue number15
DOIs
Publication statusPublished - Nov 2010

Keywords

  • Basal ganglia
  • Benign hereditary chorea
  • Diffusion tensor imaging
  • MRI
  • Spectroscopy

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology

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