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New-Onset Psychosis Associated With Acute Cerebral Hemorrhage: A Case Report
Isabella Cosmello1, Savraj S Sekhon2, Maria A Guirguis3,1
1Psychiatry and Behavioral Sciences, American University of Antigua, St. John's, ATG.
Cureus
|July 1, 2025
Summary
This case report details a unique instance of psychosis, specifically somatic delusions, linked to a subarachnoid hemorrhage. The findings suggest a direct neuroanatomical connection between brain bleeds and psychotic symptoms.
Area of Science:
- Neuroscience
- Psychiatry
- Neurology
Background:
- Psychosis is typically linked to psychiatric disorders.
- The role of organic brain lesions in psychosis is under-explored.
- Subarachnoid hemorrhage (SAH) can present with diverse neurological and psychiatric symptoms.
Observation:
- A 36-year-old female presented with somatic delusions and hallucinations.
- Imaging revealed a subarachnoid hemorrhage.
- Psychiatric symptoms correlated with the hemorrhage location in the left frontal lobe and insular cortex.
Findings:
- This case presents a rare ipsilateral localization of psychotic symptoms to the SAH.
- The findings suggest a direct neuroanatomical link between the brain lesion and psychosis.
- Somatic delusions and hallucinations were associated with specific brain regions.
Implications:
- Highlights the importance of considering organic brain lesions in new-onset psychosis.
- Suggests potential for improved diagnostic accuracy and early intervention.
- Calls for further research into the neurobiology of lesion-induced psychiatric symptoms.
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