Background. Acute alcohol delusions of persecution usually show up delusions of persecution, which is begun auditory hallucination, illusion, fair, anxiety in night time. The patient may conduct to attempt suicide or social harmful activities from the fair and the anxiety. Therefore, we studied types of delusion in alcohol related psychosis and risks of social harmful activities due to delusion. Aim. To identify types of delusion in alcohol related psychosis, risks of social harmful activities due to delusion.Materials and Methods. The study was conducted on the 110 cases of suicide (100 cases among males and 10 cases among females). In the study used special questionnaire with 45 chapters and 431 questions. The current mental condition was identified by the objective and subjective history of patients with Michigan scale questionnaire.Results. We were compared forms of alcohol related psychosis to delusion symptoms, there were occurred 29.6% of 64 patients with delusions of persecution during withdrawal state with delirium without convulsions (F10.40) and 34.4% of 64 patients with delusions of persecution during predominantly delusional psychotic disorder (F10.52). Those patients in 37 case (or 33.6%) were with suicidal thinking and 20 patients (or 18.2%) made suicidal attempts. 23.4% of 64 patients with delusions of persecution, 24.07% of 54 patients with hallucinatory delirium made suicidal attempts.Conclusions. Delusion symptoms in alcohol related psychosis are belonged to clinical form and were showed up many types.

BACKGROUND OF STUDY: For the past 10 years, accidents and trauma are ranking third in the cause of Mongolian population’s death. Russian scientists have defined that skull and brain trauma comprise of 40% of the total traumas and is one of the serious injuries that have damaging effect to the health. Defining its creation, injury period, death cause in the leading direction of science of forensic medicine in our country are still the urgent issues. Nowadays little research which studied case mortality due to accident and trauma has been studied, this became background of our research work. PURPOSE OF STUDY: To study cause and peculiarity of pathology of case mortality due to brain trauma, in the condition of our country and to consider the result. OBJECTIVE OF STUDY: To study the cause, some risks of head injury. To define pathology of case mortality due to head injury. MATERIAL AND METHODOLOGY: We did retrospective study in 555 case material of an autopsy of case mortality of head injury of forensic medicine and research department of national institute of forensic science. Statistical work out was done by Microsoft excel and extensive index. RESULT OF STUDY: 84.5% (n=459) is male and 15.5% (n=86) is female out of our 555 involved cases and the gender ratio is 5:1. The most or 81% of the research participants had head injuries due to hitting with firm and dull stuffs and 15.9% head injury as a result of traffic accident follows in the second place. To analyze from the characteristics of mortality, 93% is subarachnoid hemorrhage, subdural, epidural hematoma, 64% is brain tissue injury were detected. CONCLUSION: Young manhood men mortality that has head injury resulted from the firm and dull things occupies most of the percentage in our research. The head injury can lead to the mortality of his ordinary process.