What causes opsoclonus myoclonus?

What causes opsoclonus myoclonus?

OMAS may be caused by an immune reaction to a tumor called neuroblastoma or an immune reaction to a viral illness. The immune reaction causes the body to produce antibodies to the cerebellum, which is located in the back of the brain.

How common is opsoclonus myoclonus syndrome?

Opsoclonus-myoclonus syndrome (OMS) is a rare autoimmune condition that usually affects young children. Most children with OMS are diagnosed at around 18 months of age. OMS affects one out of every 5 million children worldwide, and is slightly more common in girls than boys.

What is ocular myoclonus?

Opsoclonus-myoclonus syndrome (OMS) is an inflammatory neurological disorder, often with paraneoplastic etiology. It is characterized by associated ocular, motor, behavioral, sleep, and language disturbances. The onset is usually abrupt, often severe, and it can become chronic.

Is opsoclonus myoclonus ataxia hereditary?

Opsoclonus-myoclonus syndrome does not appear to be inherited . The disorder is sporadic and occurs in people with no family history of the condition.

What is an ocular flutter?

Ocular flutter is a rare oculomotor syndrome that is clinically defined by intermittent bursts of involuntary conjugate eye oscillations with a strict preponderance for the horizontal plane and without intersaccadic interval.