Abstract
● Sarcomas of the small intestine are rare, clearly differentiated, malignant, mesenchymatous tumours that can be of smooth muscle, Schwann cell or fibroblastic origin. ● From a clinical point of view the pain and abdominal mass are the 2 types of symptoms that frequently reveal the disease. In rare cases, sarcomas of the small intestine are manifested by an acute complication. ● No imaging method can clearly confirm the diagnosis. ● Before immunohistochemistry differential diagnosis was made on undifferentiated mesenchymatous “stromal” tumours, which are also rare. ● Exeresis must be complete and without perforation of the tumour because of the risk of locoregional relapse. ● The benefits provided by chemotherapy and radiotherapy are limited because of the low mitotic activity of the tumour cells and its weak vascularisation. ● Long term survival is limited by poor prognosis criteria: high grade malignancy, size greater than 5 cm, tumour extension, perforation of the tumour, quality of surgical resection and histological type.
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