[Jejunal diverticulosis as a rare cause of massive bleeding into digestive tract].

The authors present a case of an elderly man, who was admitted to the hospital due to unusual cause of massive bleeding into digestive tube. During diagnostic work-up the source of gastrointestinal bleeding was localized into jejunal divertuculum. The patient was operated on and resection of involved jejunal segment with primary anastomosis was performed. The possible complications ofjejunal diverticulosis are discussed.