IngentaConnect Absence and size of massa intermedia in patients with schizophren...

Authors: Ceyhan, Meltem; Adapınar, Baki¹; Aksaray, Gokay²; Ozdemir, Figen²; Colak, Ertugrul³

Source: Acta Neuropsychiatrica, Volume 20, Number 4, August 2008 , pp. 193-198(6)

Abstract:

Ceyhan M, Adapınar B, Aksaray G, Ozdemir F, Colak E. Absence and size of massa intermedia in patients with schizophrenia and bipolar disorder. Objective:

To evaluate the absence and size of massa intermedia (MI), a midline thalamic structure, and its gender-specific alteration in patients with schizophrenia and bipolar disorder. Methods:

Thirty-five patients with schizophrenia (17 females and 18 males), 21 patients with bipolar disorder (15 females and 6 males) and 89 healthy controls (50 females and 39 males) were evaluated by magnetic resonance imaging. Thin-slice magnetic resonance images of the brain were evaluated. MI was determined in coronal and sagittal images, and area of the MI was measured on the sagittal plane. Results:

Females had a significantly lower incidence of absent MI compared with males in the healthy control group. The absence of MI in schizophrenia and bipolar patients was not higher than the incidence in healthy controls. The size of MI showed a gender difference. The mean MI area size was smaller in female schizophrenia patients than in female controls, while no significant difference was observed between male schizophrenia patients and their controls. Conclusions:

The size of MI, a gender difference midline structure, is smaller in females with schizophrenia, and the results of this study support other studies of structural aberration of the thalamus and other midline structures in the brains of patients with schizophrenia.

Keywords: bipolar disorder; gender differences; magnetic resonance imaging; massa intermedia; schizophrenia

Document Type: Research article

DOI: 10.1111/j.1601-5215.2008.00296.x

Affiliations: 1: Department of Radiology, Faculty of Medicine, Osmangazi University, Eskişehir, Turkey 2: Department of Psychiatry, Faculty of Medicine, Osmangazi University, Eskişehir, Turkey 3: Department of Biostatistics, Faculty of Medicine, Osmangazi University, Eskişehir, Turkey

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Absence and size of massa intermedia in patients with schizophrenia and bipolar disorder