Retrospective and prospective analysis of massive enterorrhagia (m.e.). The aim of the study is the analysis of frequent causes of m.e. - diverticular disease of the colon (DDC). The total number of patients with m.e. was 154 and the proportion of DDC in this total group was 17 %, i.m. 24 patients. The total number of patients with the acute symptomatic DDC was 198 and the proportion of haemorrhagic DDC in this total group was 13.3 %. The dominant form is conservative therapy (88.4 %), surgical therapy was performed in 11.6 % of cases. Discontinuous types of operations predominated. The analysis of the group and comparison with problems of m.e. in the literature.

        Key words: massive enterorrhagia (hemorrhage) - diverticular disease