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The concept and diagnostic criteria of primary lateral sclerosis.
In: Acta Neurologica Scandinavica, Jg. 136 (2017-09-01), Heft 3, S. 204-211
Online
academicJournal
Zugriff:
Objectives Primary lateral sclerosis ( PLS) is commonly considered as a motor neuron disease ( MND) variant which almost exclusively affects upper motor neurons ( UMN). There is still no consensus whether PLS should be regarded as an independent disease entity separate from amyotrophic lateral sclerosis ( ALS) or as a comparatively slowly progressive variant of ALS. Given these different views, clinical diagnosis of PLS is a challenge. In this multicenter study, we analyzed clinical features of patients diagnosed with PLS in four specialized MND centers. Material and Methods We retrospectively analyzed clinical, laboratory, imaging, and electrophysiological data of 76 patients with PLS diagnosed in four specialized ALS centers. We analyzed the concept of the disease based on our findings and an extensive review of the literature. Results We found that 79% of patients showed asymmetrical symptoms, 60% showed clinical or electrophysiological signs of lower motor neuron ( LMN) involvement after a mean of 8.4 ± 5.0 years, and extrapyramidal and/or non-motoric symptoms were frequently observed. Interestingly, none of the patients diagnosed with PLS fulfilled the diagnostic criteria proposed by Pringle et al. in 1992. Conclusions Our data show that PLS as a disease entity is still not well enough defined and that there are different concepts about its clinical presentation. We believe that further prospective longitudinal studies are needed in order to refine diagnostic criteria to reflect current clinical practice. Furthermore, neuropathological and neuroimaging approaches might help to arrange PLS in the MND spectrum and its classification. [ABSTRACT FROM AUTHOR]
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The concept and diagnostic criteria of primary lateral sclerosis.
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Autor/in / Beteiligte Person: | Wais, Verena ; Rosenbohm, Angela ; Petri, Susanne ; Kollewe, Katja ; Hermann, Andreas ; Storch, Alexander ; Hanisch, Frank ; Zierz, Stephan ; Nagel, Gabriele ; Kassubek, Jan ; Weydt, Patrick ; Brettschneider, Johannes ; Weishaupt, Jochen H. ; Ludolph, Albert C. ; Dorst, Johannes |
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Zeitschrift: | Acta Neurologica Scandinavica, Jg. 136 (2017-09-01), Heft 3, S. 204-211 |
Veröffentlichung: | 2017 |
Medientyp: | academicJournal |
ISSN: | 0001-6314 (print) |
DOI: | 10.1111/ane.12713 |
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