JAMA neurology · 2013
Improvement of white matter changes on neuroimaging modalities after stem cell transplant in metachromatic leukodystrophy.
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van Egmond Martje E, Pouwels Petra J W, Boelens Jaap-Jan, Lindemans Caroline A, Barkhof Frederik, Steenwijk Martijn D, van Hasselt Peter M, van der Knaap Marjo S, Wolf Nicole I
Аннотация
IMPORTANCE: We sought to illustrate improvement of cerebral white matter changes in metachromatic leukodystrophy after treatment with hematopoietic stem cell transplant (HSCT).
OBSERVATIONS: We conducted serial magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy (1H-MRS) as standard follow-up after HSCT with cord blood in 1 patient with juvenile metachromatic leukodystrophy diagnosed before frank degenerative symptoms developed. We measured MRI and 1H-MRS changes. The white matter changes first increased after HSCT, then decreased in relation to the pre-HSCT MRI and 1H-MRS.
CONCLUSIONS AND RELEVANCE: Hematopoietic stem cell transplant, if performed early in metachromatic leukodystrophy, can not only stabilize but even improve cerebral white matter abnormalities. Our findings suggest a biological effect of HSCT.
OBSERVATIONS: We conducted serial magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy (1H-MRS) as standard follow-up after HSCT with cord blood in 1 patient with juvenile metachromatic leukodystrophy diagnosed before frank degenerative symptoms developed. We measured MRI and 1H-MRS changes. The white matter changes first increased after HSCT, then decreased in relation to the pre-HSCT MRI and 1H-MRS.
CONCLUSIONS AND RELEVANCE: Hematopoietic stem cell transplant, if performed early in metachromatic leukodystrophy, can not only stabilize but even improve cerebral white matter abnormalities. Our findings suggest a biological effect of HSCT.