Retroperitoneal Pseudotumor - Posttraumatic Giant Hematoma

I feel this case might be interesting for you because of its rareness.
The patient is 48 years old man. He complained with abdominal pain . About a year ago he fell from a height. CT scan revealed a tumor diameter of 18- 20 cm in retroperitoneal space.
We have decided to operate him. During surgery we have found giant tumor with localization the small intestine mesentery. Anatomy was noticeably changed.
We took multiple biopsies. Signs of malignization were not found. Intraoperative diagnosis was giant retroperitoneal posttraumatic pseudotumor, actually hematoma. It was very difficult to preserve the integrity of neoplasm. The wall of neoplasm was very thin and tractions were associated with disruptions. Cavity consisted of many septums and contained aseptic liquid. This Intraoperative conditions , Large tumor size also as changed anatomy complicated control of mesenteric vessels. Thats why we removed this neoplasm partially with resection of small intestine and horizontal part of duodenum. . Surgery was finished with duodenojejunostomy.