[Obsessive-compulsive disorder in a patient with septum pellucidum cyst. Psychiatric and psychologic case study].

The aim of this paper is to introduce the bases of neurobiology, embryology and pathology of one of the important structures of the limbic system-septum pellucidum. The presented patient was diagnosed with a septum pellucidum cyst, OCD and depression. The following diagnostic methods have been applied: Beck Depression Inventory, Ways of Life, Rorschach test, Subscales: Similarities, Comprehension, Digit Span of the Wechsler Intelligence Scale, Long-term Memory Subscale of the Choynowski's Memory Scale, verbal fluence test, Rey Complex Figure, Diagnosis of Brain Damages (Weidlich, Lamberti). The patient presented global impairment of the examined cognitive functions. Within the personality domain the following features were found: symptoms of obsessive-compulsive disorders (discrepancy of necessity of self-control and with impulsiveness, perfectionism), depression (dependence from other, mood disturbances, psychasthenia), epileptoidal personality (shallowing of mental life, egocentrism, aggressiveness, affect occurrence).