The article in the Canadian Journal of Neurological Sciences discusses a case of Paraneoplastic Opsoclonus-Myoclonus Syndrome (OMS) associated with Non-Small Cell Lung Cancer (NSCLC). The patient, a 73-year-old woman, presented with opsoclonus, dizziness, and diplopia, later developing myoclonus and encephalopathy. Despite treatment with glucocorticoids, plasmapheresis, and chemotherapy, the patient's condition worsened, leading to her passing away. The article highlights the challenges in diagnosing and treating P-OMS, emphasizing the importance of identifying underlying malignancies and considering immunosuppressive therapies.