Abstract
Chordoma is a rare malignant tumor with notochordal differentiation. It is most common in 40–70 years of age male patients, 50 % of cases involving sacrococcygeal bones, 20–40 % skull base, and 10–30 % the mobile spine. Extra-axial cases have been reported. Radiologically, it is a destructive expanding lesion in the midline of the affected segment. Histologically, it has a lobular arrangement of cells with eosinophilic cytoplasm and intracytoplasmic vacuoles showing “physaliphorous” appearance. It is immunohistochemically positive for epithelial markers, brachyury, S100, and vimentin. It must be differentiated mainly from chondrosarcoma, metastatic carcinoma, and myxopapillary ependymoma. It has a slow infiltrative growth with frequent recurrences. There is a poor prognosis for dedifferentiated chordoma. Surgery is the mainstay of treatment.
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Nakashima, Y. (2015). Chordoma. In: Santini-Araujo, E., Kalil, R., Bertoni, F., Park, YK. (eds) Tumors and Tumor-Like Lesions of Bone. Springer, London. https://doi.org/10.1007/978-1-4471-6578-1_39
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DOI: https://doi.org/10.1007/978-1-4471-6578-1_39
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