A woman in her 70s suffered a motor vehicle accident, resulting in an intraarticular, distal femoral fracture with a unique fracture pattern. A 3D-printed model was obtained using the preoperative CT scan for surgical planning. Anatomic reduction was achieved using a medial parapatellar approach and the fracture was fixed with a medial buttress plate and interfragmentary screws. After 18 months, the patient presented a fair Knee Society Score of 62.

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O liposarcoma (LPS) é um tumor mesenquimatoso maligno do tecido adiposo. A sua localização no mesentério é rara. Homem, 64 anos, enviado à consulta após colonoscopia de rastreio ter revelado um lipoma da parede do sigmoide. Realizou Tomografia computorizada abdominopelvico (TC AP): ~ confirmou lipoma e “…no mesentério jejuno-ileal - massa sólida, suspeita de GIST ou tumor neuroendócrino”. PET-DOTANOC mostrou: “fraca expressão de recetores da somatostatina na lesão”. O doente foi submetido a enterectomia segmentar. A histologia revelou “liposarcoma bem diferenciado do mesoíleon”. O caso foi discutido em reunião multidisciplinar e decidida vigilância. Posteriormente, foi realizada ressecção endoscópica do lipoma da sigmóidea. Segundo a literatura, a ressecção cirúrgica completa representa a única opção curativa. Liposarcoma is a malignant mesenchymal tumor of adipose tissue. It has a rare incidence at the intestinal mesentery. We present a case of 64-year-old man sent for consultation, due to an incidental finding in a colonoscopy - sigmoidal wall lipoma. CT AP performed shown: lipidic lesion already known and “… in the jejuno-ileal mesentery - solid mass, suspected of GIST or neuroendocrine tumor. PET-DOTANOC showed: "weak expression of somatostatin receptors in the lesion". Patient underwent segmental enterectomy. Histology revealed "well differentiated liposarcoma from the mesentery of the ileon". Subsequently was performed endoscopic resection of the lipoma. The case was discussed in a multidisciplinary meeting and decided follow-up. According to the literature, a complete surgical resection represents the single option for cure.

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