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Revista médica de Chile

versión impresa ISSN 0034-9887

Resumen

FINSTERER, JOSEF; KALLAB, VERENA  y  AUER, HERBERT. Neurotoxocariasis associated with lower motor neuron disease: Report of one case. Rev. méd. Chile [online]. 2010, vol.138, n.4, pp.483-486. ISSN 0034-9887.  http://dx.doi.org/10.4067/S0034-98872010000400014.

We report a 51-year-old male with a history of palpitations, hepatopathy and hypercholesterolemia, who habitually ate raw goat meat, and developed general fasciculations, muscle cramps in the lower limbs, distal muscle weakness and wasting, without upper motor neuron signs or sensory abnormalities. Diagnostic workup revealed positive antibodies against Toxocara canis in the serum and cerebrospinal fuid. Nerve conduction studies revealed a proximal and distal axonal lesion of motor nerves and needle electromyography was indicative of acute and chronic denervation with giant motor unit action potentials. Despite a therapy with albendazole and riluzole, muscle weakness and wasting further progressed and affected also the respiratory muscles. Followup nerve conduction studies and electromyography confrmed progression of the axonal degeneration. Whether lower motor neuron disease was causally related to neurotoxocariasis or due to a general metabolic defect, remains speculative.

Palabras clave : Electromyography; Motor neuron disease; Neuromuscular diseases; Toxocariasis.

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