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Computed tomography study of pineal calcification in schizophrenia
G Bersani1, A Garavini, I Taddei
13rd Psychiatric Clinic, University of Rome 'La Sapienza', Rome, Italy.
Summary
Pineal calcification (PC) in schizophrenia shows no overall difference in size or incidence compared to controls. However, PC size correlates with age, and a higher incidence in younger schizophrenics may link to non-paranoid symptoms.
Area of Science:
- Neuroimaging
- Psychiatry
- Radiology
Background:
- Previous research suggests a link between pineal calcification (PC) and schizophrenia.
- Studies have primarily focused on correlations with illness aspects by a single author.
Purpose of the Study:
- To analyze pineal gland calcification size and incidence in schizophrenics versus controls using CT.
- To investigate the relationship between PC, age, and psychopathological variables in schizophrenia.
Main Methods:
- Computed tomography (CT) scans of 87 schizophrenic patients and 46 healthy controls were analyzed.
- Participants were divided into seven age subgroups (five-year intervals).
- Pineal calcification incidence and size were measured and compared between groups.
Main Results:
- No significant differences in overall PC incidence or mean size were found between schizophrenics and controls.
- PC size demonstrated a positive correlation with age in both schizophrenics and controls.
- A higher incidence of PC was observed in schizophrenics aged 21-25 years.
- A negative correlation was noted between PC and positive symptoms of schizophrenia in the overall group.
Conclusions:
- Findings suggest a potential premature calcification process in schizophrenics, possibly associated with non-paranoid symptoms.
- The role of this calcification in altered neurodevelopment in schizophrenia remains uncertain.
- Further research is needed to clarify the implications of pineal calcification in schizophrenia.