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Prevalence of clinical parameters (%)
Add new symptom/sign to this disease
List of symptoms
List of references:
Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up.
Maria Carmela Tartaglia, Ann Rowe, Karen Findlater, J B Orange, Gloria Grace, Michael J Strong,
Motor neuron diseases can affect the upper motor neuron and/or the lower motor neuron. Both amyotrophic lateral sclerosis (ALS) and primary lateral sclerosis (PLS) are motor neuron diseases, and there is much debate as to whether these are 2 separate disorders or simply 2 points on a continuum.
Archives of neurology - Feb 2007
Clinical features that distinguish PLS, upper motor neuron-dominant ALS, and typical ALS.
P H Gordon, B Cheng, I B Katz, H Mitsumoto, L P Rowland,
To determine how clinical features at the first evaluation and in follow-up can be used to suggest a diagnostic outcome for patients with only upper motor neuron (UMN) signs at disease onset.
Neurology - Jun 2009
Uncovering amyotrophic lateral sclerosis phenotypes: clinical features and long-term follow-up of upper motor neuron-dominant ALS.
Mario Sabatelli, Marcella Zollino, Marco Luigetti, Alessandra Del Grande, Serena Lattante, Giuseppe Marangi, Mauro Lo Monaco, Francesca Madia, Emiliana Meleo, Giulia Bisogni, Amelia Conte,
The aim of our study was to analyse the natural history and clinical features of upper motor neuron- dominant (UMN-D) ALS. We studied a large series of sporadic ALS patients admitted in a single referral centre over a 23-year period. UMN-D phenotype was compared with other ALS forms, including classic ALS, flail arm and progressive muscular atrophy. Seven hundred and thirty-four sporadic ALS patients were included of which 163 had UMN-D ALS. The mean age of onset in UMN-D ALS (52 years) was 10 years lower than in classic ALS (61.4 years, p < 0.0001); sex ratio by age groups significantly differed with respect to other phenotypes. The pattern of spread of lower motor neuron signs in UMN-D was characterized by early involvement of upper limb muscles and late impairment of respiratory muscles. Duration of the disease was longer in the UMN-D group (56 months) than in classic ALS (33 months, p < 0.001). The UMN-D phenotype was a strong independent predictor of long survival. In summary, UMN-D ALS showed significant differences in age of onset, sex ratio, pattern of spreading and prognosis with respect to other ALS forms, most probably reflecting biological differences.
Amyotrophic lateral sclerosis : official publication of the World Federation of Neurology Research Group on Motor Neuron Diseases - Jul 2011
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