Is mood-incongruent manic psychosis a distinct subtype?
GROUND: Despite several research reports on incongruent psychotic features in mania, whether such features define a distinct disorder is unsettled. METHOD: One hundred and fifty-five inpatients with mania according to DSM-III-R were systematically evaluated in order to collect demographic and clinical information. The symptomatological evaluation was conducted by means of the Comprehensive Psychopathological Rating Scale (CPRS) and the Scale for the Assessment of Positive Symptoms (SAPS). The presence/absence of incongruent psychotic symptoms at the index episode defined two subgroups of patients, whose familial, symptomatological, clinical and course characteristics were compared. RESULTS: Eighty-six (55.5%) patients presented mood-incongruent psychotic features (MIP+). When this group was compared with the remainder of manic patients without such features (MIP-), we found substantial similarities in most demographic, familial and clinical characteristics. Despite these fundamental si
