Liposarcoma of the colon: A case report and review of the literature
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Liposarcoma is a malignant mesenchymal tumor frequently located in the retroperitoneum and rarely presents as an isolated lesion in the colon. To our knowledge, only three cases of primary colon liposarcoma have been reported in the world literature to date. In this article, we report a case of liposarcoma of the colon in a 46-year-old man. The patient presented with abdominal pain and a palpable mass. Abdominal ultrasonography and computed tomogram confirmed the presence of a large intra-abdominal fatty tissue mass, but the colon origin of the tumor was revealed only on laparotomy. During surgery, a voluminous (12 cm × 11 cm × 10 cm) lesion situated in the subserosa of the ascending colon was found, and a right hemicolectomy with radical lymph node dissection was performed. The pathological diagnosis of the resected tumor revealed primary colon liposarcoma (myxoid subtype). The postoperative course was uneventful, and the patient remained free of disease for 12 months. No adjuvant therapy was performed. Diagnostic and therapeutic problems related to this type of neoplasm as well as literature reviews are reported. Curative R0 resection remains the main treatment for primary and recurrent liposarcomas.
Key wordsColon liposarcoma mesocolon
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