The impact on the cerebellum causes the patient to develop difficulty walking, chaotic eye movements, and a loss of developmental skills. [chop.edu]

[…] saccades), truncal instability, cerebellar ataxia, and diffuse myoclonus. 1–3 In addition to these classic manifestations, the condition may also be associated with irritability, alterations in the sleep-wake cycle, headache, language or visual disorders, dysphagia [elsevier.es]

[…] saccades), truncal instability, cerebellar ataxia, and diffuse myoclonus. 1–3 In addition to these classic manifestations, the condition may also be associated with irritability, alterations in the sleep-wake cycle, headache, language or visual disorders, dysphagia [elsevier.es]

Angers, France, 49933 Contact: PELLIER Isabelle, DR Principal Investigator: PELLIER Isabelle, DR Hopital Jean Minjoz Besancon, France, 25030 Contact: KLEIN Stéphane, DR Principal Investigator: KLEIN Stéphane, DR Chr Pellegrin Bordeaux, France, 33076 [clinicaltrials.gov]

Feelings of anger, anxiety, fear and sadness, for example, are common and understanding and managing these may be easier with the support of the Clinical Psychologist. [gosh.nhs.uk]

Attempts to move or maintain certain postures are often disrupted by myoclonic jerking movements that may include the head, trunk, or extremities • Behavioral and sleep disturbances as well as profound irritability, sometimes being inconsolable • Sometimes apathy [slideshare.net]

In contrast, there have also been descriptions of apathy or social withdrawal. Opsoclonus is generally observed within days after the onset of ataxia, but has been reported to occur weeks to months later in some cases. [aao.org]

Patients were also misdiagnosed with labyrinthitis and Guillain-Barré syndrome (GBS). In cases where opsoclonus is either absent or delayed in onset, acute cerebellar ataxia or acute cerebellitis of childhood can be easily confused with OMS. [aao.org]

Opsoclonus - Myoclonus - Ataxia associated Neuroblastoma Neuroblastoma with Paraneoplastic syndrome (Opsoclonus-Myoclonus-Ataxia) Extensive lymphocytic infiltration with follicular formation. [spponline.org]