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Ruptured suprasellar dermoid cyst presenting olfactory delusion (Eigengeruchs erlebnis)
H Takeuchi1, T Kubota, M Kabuto
1Department of Neurosurgery, Fukui Medical School, Japan.
Neurosurgery
|July 1, 1993
Summary
A rare brain tumor, a suprasellar dermoid cyst, was linked to persistent olfactory delusions and psychosis in a young man. Surgical removal of the cyst resolved these neurological and psychiatric symptoms, highlighting a potential cause for such delusions.
Area of Science:
- Neurology
- Psychiatry
- Neurosurgery
Background:
- Olfactory delusions, or Eigengeruchs erlebnis, are rare symptoms often associated with complex neurological or psychiatric conditions.
- Suprasellar masses, including dermoid cysts, can exert pressure on adjacent brain structures, potentially leading to diverse neurological deficits.
Observation:
- A 24-year-old male presented with a long-standing olfactory delusion and concurrent psychotic symptoms.
- Diagnostic imaging revealed a suprasellar dermoid cyst as the underlying cause of his symptoms.
Findings:
- Surgical excision of the suprasellar dermoid cyst resulted in the complete resolution of the patient's olfactory delusion and psychotic symptoms.
- This case suggests a direct correlation between the presence and removal of the specific tumor and the abatement of the patient's psychiatric manifestations.
Implications:
- Highlights the importance of thorough neuroimaging in diagnosing the etiology of persistent delusions and psychotic symptoms.
- Demonstrates a potential neurosurgical treatment pathway for delusion and psychosis linked to specific intracranial tumors.
- Contributes to understanding the pathophysiology of delusion formation in relation to localized brain pathology.