Diffusion-weighted imaging of white matter abnormalities in patients with phenylketonuria

M. D. Phillips, P. McGraw, M. J. Lowe, V. P. Mathews, B. E. Hainline

Research output: Contribution to journalArticlepeer-review

70 Scopus citations


Phenylketonuria (PKU) is an autosomal recessive disorder caused by a deficiency of the enzyme phenylalanine hydroxylase (EC Affected patients develop elevated plasma and tissue levels of phenylalanine and its related ketoacids. Untreated patients usually exhibit severe mental retardation and poor motor function, with characteristic T2 white matter signal abnormalities on conventional MR images. In the present study, we performed diffusion-weighted imaging in three PKU patients. All three patients demonstrated significantly restricted diffusion in all white matter areas examined.

Original languageEnglish (US)
Pages (from-to)1583-1586
Number of pages4
JournalAmerican Journal of Neuroradiology
Issue number8
StatePublished - Sep 27 2001

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology

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