Psychopathological chronic posttraumatic stress disorder (PTSD) was studied in relation to clinical peculiarities of depression included in PTSD structure. One hundred and sixty-five patients, 124 men and 41 women, aged 25-48 years, were examined in general outpatient clinics. PTSD duration was from 6 to 24 months. A stress was caused by situations related to combat events (60.6%), close person's death (25.4%), assault with physical and moral violence (8.2%) and rape (5.8%). With regard to depression structure and dominating affect, 4 PTSD types--anxious (36.6%), dysphoric (26.1%), apathic (20%) and somatoform (17.7%), were distinguished. Also, their significance for the formation of patient's personality features is emphasized. A role of depression in syndrome formation in chronic PTSD is suggested.