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Curr Opin Neurol. 2011 Oct;24(5):504-10. doi: 10.1097/WCO.0b013e32834a87b7.

Paraneoplastic neuropathy: wide-ranging clinicopathological manifestations.

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Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.



Recent progress in serological screening for paraneoplastic autoantibodies and diagnostic imaging techniques to detect malignancies has resulted in a broadening of the concept of paraneoplastic neurologic syndromes through the characterization of nonclassical clinical features. The goal of this article was to review the recent literature describing the wide-ranging clinicopathological manifestations of paraneoplastic neuropathy.


The classical feature of paraneoplastic neuropathy is subacute sensory neuronopathy; in addition, sensorimotor neuropathies, such as Guillain-Barré syndrome, chronic inflammatory demyelinating polyneuropathy, brachial plexopathy, and vasculitic neuropathy, are sometimes observed. Some studies also describe the occurrence of autonomic neuropathies, including autoimmune autonomic ganglionopathy and chronic gastrointestinal pseudo-obstruction. Whole-body fluorodeoxyglucose positron emission tomography (FDG-PET) or FDG-PET/computed tomography may be helpful to detect malignancies that cannot be detected by conventional screening tests. The presence of paraneoplastic neuropathy should be considered in all patients with malignancy and can occur at any point in the disease, even during or after chemotherapy, radiation, or stem cell transplantation. The presence of paraneoplastic autoantibodies, especially anti-Hu and anti-CV2/CRMP-5 antibodies, may support the diagnosis of paraneoplastic neuropathy. Immunomodulatory treatment before, during, or after antineoplastic therapy may be of benefit for patients with paraneoplastic neuropathy and has been used even when the underlying malignancy cannot be identified.


Recognition of the variable manifestations of paraneoplastic neuropathy is important, as diagnosis at an earlier stage facilitates prompt treatment and provides better chances of good outcomes.

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