Background & Objective : The diagnosis of psychiatric disorders are mainly made on base of clinical interview and physical mental examination of the patient. The clinical application of laboratory tests is limited to rejection of probable causes which may lead to emerge of mental manifestations. For assessing the efficiency of brain computerized tomography in this respect, a study was conducted.

  Methods : All of the hospitalized patients in psychiatric emergency unit of Isfahan medical school for six mounts were examined in the view of demographic characteristics, clinical diagnosis, and the number of performed brain computerized tomography and their results.

  Results : Brain computerized tomography was requested for 142 patients among the 408 hospitalized patient in psychiatric emergency unit. Among the performed scans only in one case (0.7 percent). Mild brain atrophy was reported and the remaining 141 scans were normal or at limit level of normal.

  Conclusion : According to limited diagnostic value of Brain computerized tomography in psychiatry and also techno economic problems, the accurate assessment of its actual application specially in our society, seems necessary.

 Bakcground & Objectives: A psychiatric disorder is an illness with psychogical or behavioral manifestations accompanied with impaired functioning. The prevalence of psychiatric disorders is reported up to 30% in some communities. Regarding the high prevalence of psychiatric disorders in the society especially the high number of people referring to psychiatric commissions where some cases malinger with the aim of getting some secondary advantages, it seems necessary to have comprehensive information about the prevalence of these disorders. This study was an attempt to determine the prevalence of psychiatric disorders among people to psychiatric commission of Fatemi hospital, Ardabil.

 Methods: This descriptive study was conducted on people referring to psychiatry commission of Fatemi hospital from 2001 until 2003. A questionnaire filled through interviewing the subjects was used to collect the data. These data were analyzed by SPSS using descriptive statistics.

 Results: In this research out of 315 patients, the highest frequency related to mental retards with 68 (25.3%) cases. 60 (22.3%) cases had behavioral disorder, 27 (10%) stammering 26 (9.7%) personality disorders, 25 (9.3%) anxity disorders, 20 (7.4% schizophrenia, 11 (4.1%) somatoform disorder, 10 (3.7%) borderline IQ, 8 (2.9%) nevrosis, 6 (2.2%) histertic disorder, 4 (1.4%) sleep disorders and 3 (1.1%) acute psychosis. Also, 28 (8%) people referred for getting exemption from military service only 6 (21%) of whom had the qualifications for exemption. Moreover, 17 (5.3% of all the subjects were disabled.

 Conclusions: No significant relationship was found between age, sex, education, residence and job with psychiatric disorders. However, there was a significant relationship between marital status and disablement with psychiatric disorders. The most common causes of referring to the psychiatry commission were mental retardness and histery whereas sleep disorders and psychosis were the least important ones.