from 1984 to 1988 , 11 of 120 patients ( 9 % ) with motor neuron disease ( mnd ) had paraproteins detected by serum immunofixation electrophoresis ( ife ) , compared with 4 ( 3 % ) by cellulose acetate gels : 1 patient had progressive spinal muscular atrophy , 5 patients had amyotrophic lateral sclerosis ( als ) , and 5 patients had als with probable upper motor neuron signs .
C0085084
motor neuron disease
C0002736
als