“…This neuropathy can be a symptom of a latent malignant disease, because it is associated with malignant tumors or diffuse metastatic diseases in many cases. The most common malignancies associated with mental neuropathy include hematologic malignancies and cancers of the breast, lungs, thyroid, prostate, and colon [3,4,7,9,10]. Charles Bell, in the early 1800s, described mental neuropathy in an elderly woman with breast cancer, and this was probably the first report of malignancy associated with mental neuropathy.…”