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Frégoli syndrome after cerebral infarction
The Journal of Nervous and Mental Disease
|July 1, 1987
Abstract:
A case of a rare form of delusional misidentification, the Frégoli syndrome, is described. Although usually occurring in the setting of primary or secondary schizophrenic psychoses, delusional misidentification has been reported in affective, neurological, and toxic-metabolic disorders. In this instance a diagnosis of paranoia (delusional disorder) secondary to predominantly right hemisphere pathology, rather than schizophrenia, seemed more appropriate.
Insights
This case study describes Frégoli syndrome, a rare delusional misidentification disorder. The patient’s symptoms were linked to right hemisphere brain pathology, suggesting paranoia rather than schizophrenia.
Area of Science:
- Neurology
- Psychiatry
Background:
- Delusional misidentification encompasses rare syndromes like Frégoli syndrome.
- These syndromes are typically associated with schizophrenic psychoses but can occur in other conditions.
Observation:
- A case of Frégoli syndrome is presented.
- The patient exhibited delusional misidentification.
Findings:
- The patient's presentation was secondary to predominantly right hemisphere pathology.
- A diagnosis of paranoia (delusional disorder) was deemed more appropriate than schizophrenia.
Implications:
- This case highlights the importance of considering neurological causes for delusional misidentification syndromes.
- Right hemisphere pathology can manifest as complex delusional disorders, including Frégoli syndrome.