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  Metachromatic Leukodystrophy: A Scoring System for Brain MR Imaging Observations

Eichler, F., Grodd, W., Grant, E., Sessa, M., Biffi, A., Bley, A., et al. (2009). Metachromatic Leukodystrophy: A Scoring System for Brain MR Imaging Observations. American Journal of Neuroradiology, 30(10), 1893-1897. doi:10.3174/ajnr.A1739.

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http://www.ajnr.org/content/ajnr/30/10/1893.full.pdf (Verlagsversion)
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 Urheber:
Eichler, F, Autor
Grodd, W1, Autor           
Grant, E, Autor
Sessa, M, Autor
Biffi, A, Autor
Bley, A, Autor
Kohlschuetter, A, Autor
Loes, D-J, Autor
Kraegeloh-Mann, I, Autor
Affiliations:
1External Organizations, ou_persistent22              

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 Zusammenfassung:

BACKGROUND AND PURPOSE: Metachromatic leukodystrophy (MLD) is a devastating demyelinating disease for which novel therapies are being tested. We hypothesized that MR imaging of brain lesion involvement in MLD could be quantified along a scale.

MATERIALS AND METHODS: Thirty-four brain MR images in 28 patients with proved biochemical and genetic defects for MLD were reviewed: 10 patients with late infantile, 16 patients with juvenile, and 2 patients with adult MLD. All MR images were reviewed by experienced neuroradiologists and neurologists (2 readers in Germany, 2 readers in the United States) for global disease burden, as seen on the T2 and fluid-attenuated inversion recovery images. A visual scoring method was based on a point system (range, 0–34) derived from the location of white matter involvement and the presence of global atrophy, analogous to the scoring system developed for adrenoleukodystrophy. The readers were blinded to the neurologic findings.

RESULTS: Thirty-three of 34 MR images showed confluent T2 hyperintensities of white matter. The inter-rater reliability coefficient was 0.988. Scores between readers were within 2 points of each other. Serial MR imaging studies in 6 patients showed significant progressive disease in 3 patients (initial score average, 4; mean follow-up, 24.3) and no change or 1 point progression in 3 patients (initial score average, 12; mean follow-up, 12.66). Projection fibers and the cerebellum tended to be involved only in advanced stages of disease.

CONCLUSIONS: The MLD MR severity scoring method can be used to provide a measure of brain MR imaging involvement in MLD patients.

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 Datum: 2009-11
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.3174/ajnr.A1739
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Titel: American Journal of Neuroradiology
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Baltimore : Williams & Wilkins Co.
Seiten: - Band / Heft: 30 (10) Artikelnummer: - Start- / Endseite: 1893 - 1897 Identifikator: ISSN: 0195-6108
CoNE: https://pure.mpg.de/cone/journals/resource/954925490872