Capgras syndrome as manifestation of renal tumor
DOI:
https://doi.org/10.25118/2763-9037.2022.v12.431Keywords:
Capgras Syndrome, paraneoplastic syndromes, neoplasmsAbstract
Among the secondary causes of a first psychotic episode are autoimmune encephalitis, which is characterized by the presence of variable neuropsychiatric symptoms, associated with the presence of antibodies against cell surface proteins, ion channels or neuroreceptors. In the investigation of encephalitis, it is necessary to evaluate possible malignant neoplasms, given that one of its manifestations is the neurological paraneoplastic syndromes. Among them is Capgras Syndrome, characterized by the delusion that imposters have replaced people close to the individual, or even himself. The case described concerns a 64-year-old woman whose first clinical manifestation of a renal cell tumor was Capgras syndrome. Although this type of cancer is rarely related to neurologic paraneoplastic symptoms, the patient's complete remission of psychotic symptoms after corticosteroid therapy and radical nephrectomy reinforces the association.
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