Progressive vacuolating glycine leukoencephalopathy with pulmonary hypertension

Mireia Del Toro, José Antonio Arranz, Alfons Macaya, Encarnació Riudor, Miquel Raspall, Antonio Moreno, Elida Vazquez, Arancha Ortega, Yoichi Matsubara, Shigeo Kure, Manuel Roig

研究成果: Article査読

19 被引用数 (Scopus)


To report two unrelated patients with a new phenotype of nonketotic hyperglycinemia associated with idiopathic pulmonary hypertension. Clinical findings included rapidly progressive neurological deterioration with onset in the first year of life characterized by developmental regression without seizures or electroencephalogram abnormalities during follow-up. Both patients died before the age of 18 months. Glycine cleavage system deficiency was confirmed by enzymatic studies in frozen liver. Molecular analysis in the related genes showed no pathogenic mutation. Radiological and pathological findings were consistent with progressive vacuolating encephalopathy. Our patients with biochemical and enzymatic parameters consistent with atypical nonketotic hyperglycinemia. The clinical and radiological evolution, as progressive vacuolating leukoencephalopathy and the association with pulmonary hypertension constitute a previously unrecognized variant.

ジャーナルAnnals of Neurology
出版ステータスPublished - 2006 7 1

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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