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Liposarcoma is a malignant tumor of mesodermal origin derived from adiposetissue. It is the most frequent of the soft tissue sarcomas in adults. Themost frequent location is in the lower extremities, the abdominal is rare.It reaches enormous proportions. Treatment is surgery with completerresection for local control of the disease. The case of a patient whopresented due to ultrasound finding of an intra-abdominal tumor in thehypogastrium of unspecified origin, with asymptomatic evolution, ispresented. Physical examination revealed a palpable tumor process towardsthe hypogastrium of approximately 3cm, smooth, mobile, non-superficial, notpainful on palpation. Elective exploratory laparotomy was performed, withtotal omentectomy for tumor on the free edge of the greater omentum. Biopsyreported the presence of myxoidliposarcoma of the greater omentum. Due tothe infrequency of this type of injury, it was decided to present the caseof this patient.

Introduction: the treatment of the intestinal obstruction depends on a premature diagnosis, a skilful and opportune- treatment handling. Objective: characterizing the behavior of the morbimortality for intestinal occlusion at Cienfuegos province, in the period from February 1st, to March 7th, 2009. Methods: a descriptive follow-up study of cases that comprised all the patients admitted and operated by intestinal occlusion. The analyzed variables were: age, sex, personal and pathological background, classification according to the American Society of Anaesthesiology, pre and trans-operative diagnostic, the surgical procedure, the location of the ward in immediate postoperative, the complementary exams, the time between the time of admission and the time of the operation, direct cause of death, the complications and the patients´ general condition on discharge. Results: the more frequent trans-operative diagnosis: bridles, intestinal tumors and hernias. The more use surgical procedures were: the lyses of bridles, the tranversostomy; the intestinal resection more practiced was the small intestine one; the more used anastomosis was the terminal term, the kelotomy and herniorrhapy. The more frequent complications were unbalance hydroelectrolític and sepsis. The principal fatal causes were: mesenteric thrombosis and disorders for hydroelectrolític unbalance, with predominance of the female sex and patients of 65 years and more. Conclusions: the advances in science, technology and health have contributed in the remission of morbidity and nevertheless, it continues being one of the most tracer pathology of the medical- surgical urgency.