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Treatment of Massive Low-Grade Chondrosarcoma of Nasal Septum with Helical Tomotherapy: A Case Report

International Journal of Medical Physics, Clinical Engineering and Radiation Oncology 2016年第4期5卷 263-269页

作者： Hamit Basaran Timur Koca Sibel Karaca Ozlem Eser K&iota l&iota nc fikriye gul karauc Okan Ö zdemir Ozan Kuduban Arzu Tatar Sare Ş ipal Department of Radiation Oncology Regional Training and Research Hospital Erzurum Turkey Department of Otorhinolaryngology Regional Training and Research Hospital Erzurum Turkey Department of Otorhinolaryngology Ataturk University Faculty of Medicine Erzurum Turkey Department of Pathology Ataturk University Faculty of Medicine Erzurum Turkey

Chondrosarcomas are malignant bone tumors which develop as a cartilaginous differentiation of primary mesenchymal cells and the second most frequently seen malignant tumor of the bone after osteosarcoma. These malignancies are slowly growing non-epithelial tumors with unknown etiology and most frequently seen during the 4 decades of life. They are frequently localized on pelvis, ribs and long bones. Nasal septum CSs are very rarely seen malignancies. They originate from septal mucosa or cartilage and it is difficult to make a diagnosis unless they reach a certain size. A few cases of CSs with nasal septum have been reported in the literature. In cases of CSs, surgery is the gold standard treatment modality;however in surgically unresectable cases or close to margins, radiotherapy plays a significant role in primary and adjuvant treatment. Based on the position of the tumor in head and neck and extremely closeness of the tumor to vital organs as optic nerve, chiasm and brain, image guided-intensity modulated radiation therapy (IG-IMRT) becomes very effective and reliable modalities and may be a favorable treatment alternative.

关键词： Chondrosarcoma Image Guided Intensity Modulated Radiation Therapy

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