Society for Pediatric Pathology

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Neuroblastoma with Paraneoplastic syndrome (Opsoclonus-Myoclonus-Ataxia) Extensive lymphocytic infiltration with follicular formation.

Neuroblastic tumors associated with Opsoclonus-Myoclonus-Ataxia syndrome are frequently characterized by abundant interstitial or perivascular lymphoid infiltrates, the latter often organized in secondary lymphoid follicles.

Opsoclonus - Myoclonus

Opsoclonus - Myoclonus - Ataxia associated Neuroblastoma

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