Özet:

Fibromatosis is the most common primary tumor of mesentery. Mesenteric fibromatosis is a very rare lesion which does not metastasise but can be locally aggressive. Fibromatosis may be classified as extra-abdominal, abdominal wall, or intra-abdominal. The etiology of fibromatosis has not been determined. Most of the patients with mesenteric fibromatosis are asymptomatic. Herein, we presented a case who was 45 years old, complained of left lower quadrant pain. Preoperative evaluation included abdominal ultrasound, computed tomography (CT). According to the CT report, the patient was diagnosed with gastrointestinal stromal tumor. A mobile mass was seen on the jejunal mesentery during laparoscopic exploration. The tumor was removed by wide excision with safe margins. Patients was discharged on the fifth day of the operation. The histological diagnosis was of jejunal agressive fibromatosis. Even though there are different types of treatment protocols, surgery with negative surgical margin is preferred to prevent local recurrence. In these type of cases safe margins can be achieved with wide laparoscopic excision.

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