Phosphorus and proton magnetic resonance spectroscopy in episodic ataxia type 2.

Sappey-Marinier, D; Vighetto, A; Peyron, R; Broussolle, E; Bonmartin, A · Ann Neurol · 1999

case_series · Level IV

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Abstract

Localized phosphorus (31P) and proton (1H) magnetic resonance spectroscopy was performed in the cerebellum and the occipital lobe of 6 patients with episodic ataxia type 2. From use of 31P magnetic resonance spectroscopy, untreated patients showed decreased high-energy phosphate ratios in the cerebrum, and increased pH in the cerebellum and cerebrum, which normalized under acetazolamide. 1H magnetic resonance spectra demonstrated high lactate peaks in 3 of the 6 patients. These metabolic alterations, probably induced by the calcium channelopathy, may characterize episodic ataxia type 2.

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