نتایج جستجو برای: parosteal osteosarcoma
تعداد نتایج: 11824 فیلتر نتایج به سال:
PURPOSE To assess the role of magnetic resonance imaging (MRI), particularly signal intensity changes, in predicting the dedifferentiation of parosteal osteosarcoma, and to evaluate other factors that may affect grading on MRI. MATERIALS AND METHODS MRI of 12 patients with parosteal osteosarcoma diagnosed on plain radiography were reviewed with regard to size, location, extent, soft tissue co...
Osteosarcomas (OSs) represent a huge challenge to improve the overall survival, especially in metastatic patients. Increasing evidence indicates that both tumor-associated elements but also on host-associated elements are under a remarkable effect on the prognosis of cancer patients, especially systemic inflammatory response. By analyzing a series prognosis of factors, including age, gender, pr...
Figure 1. Preoperative photograph of mandibu-lar osteosarcoma. DESCRIPTION A 22-year-old female presented with an acquired mandibular defect status post radical resection of mandibular osteosarcoma. Patient subsequently underwent fibular osteocuta-neous free flap reconstruction.
Osteosarcoma, a bone cancer most commonly seen in adolescents and young adults, is usually a high-grade malignancy characterized by a very high risk for the development of pulmonary metastases. High-grade osteosarcomas are usually treated by preoperative and postoperative chemotherapy and surgery, with a very limited number of active agents available. Rarer lower-grade variants such as parostea...
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