[Opsoclonus myoclonus syndrome: how long are we going to go on researching?].
BACKGROUND
Opsoclonus myoclonus is a rare neurological syndrome affecting children and adults, and which is characterised by a sudden onset of chaotic eye movements and myoclonias. In children it generally appears before the age of three as a parainfectious or paraneoplasic process; the type of tumour most frequently associated with this syndrome is the neuroblastoma.


METHODS
We report the case of a 22 month old girl who, after a febrile syndrome probably caused by a virus, began to present myoclonias in the upper and lower limbs, opsoclonus, a marked ataxic gait and extreme irritability. After ruling out neoplasia, oral corticotherapy was started and the neurological picture gradually improved.


CONCLUSIONS
By reporting this clinical picture, our intention is to make the particular aspects of this neurological condition known, and highlight the need for neoplasias to be detected in time and for early treatment in order to prevent sequelae, especially when it appears as a paraneoplasic syndrome.
Ramos
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Interna complementar de Pediatria. Serviço de Pediatria. Hospital Geral de Santo Antonio, Porto, Portugal. teresatemudo@netcabo.pt
Temudo
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D005260:Female; D006801:Humans; D007223:Infant; D009447:Neuroblastoma / Q000175:diagnosis*; D020361:Paraneoplastic Syndromes, Nervous System / Q000175:diagnosis*