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We describe a girl with late infantile metachromatic leukodystrophy.The patient has been followed up with serial neurologic and neurophysiologic examinations for 8 years following bone marrow transplantation,which she underwent when she was 4 3/4 years old.Her older sister died from metachromatic leukodystrophy at the age of 8 years,whereas our patients has retained significant cognitive and motor skills.Serial neurophysiologic studies initially demonstrated continued deterioration after the bone marrow transplantation,but since then,most results have remained stable or improved.Although,to our knowledge,there have been no previous serial studies of metachromatic leukodystrophy,individual case studies suggest that these findings in our patient are very unusual.With the advent of possible treatment for this condition,there is a need for further serial neurophysiologic studies to characterize the natural progression and the possible detection of progression or reversal with treatment. |
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