Bowel ischaemia and cocaine consumption; case study and review of the literature.

Background: Amongst others, cocaine consumption has a detrimental effect in the vascular supply to the mesenteric area causing abdominal ischemic changes. Early recognition of these changes and adequate treatment are essential to avoid serious complications and possible death of the patient from sepsis.

Case Report: In this case study, the subject is a 40-years-old gentleman presenting with acute abdominal pain due to multiple ischemic changes in both small bowel and sigmoid loops.

[Retroperitoneal sarcomas. Report of five new cases and review of the current situation].

Introduction: Soft-tissue sarcomas represent a heterogeneous group of rare tumors arising from the mesenchymal cells of the connective tissue. Approximately 15% of these tumors arise in the retroperitoneum. These neoplasms are locally aggressive and the only curative treatment is surgical resection "en-bloc".